Home / 497,315.90-745,973.85-181,999.10

Finding the Fourth Proportional to 497,315.90, 745,973.85 and 181,999.10

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Solution

The fourth proportional to 497,315.90, 745,973.85 and 181,999.10 is: 272,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,315.90 : 745,973.85 = 181,999.10 : x
  2. Step 2: Convert to fraction form
    497,315.90/745,973.85 = 181,999.10/x
  3. Step 3: Cross multiply
    497,315.90x = 745,973.85 × 181,999.10
  4. Step 4: Simplify right side
    497,315.90x = 135,766,569,323.54
  5. Step 5: Solve for x
    x = 135,766,569,323.54/497,315.90
  6. Step 6: Final answer
    x = 272,998.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.