Home / 496,985.40-745,478.10-181,452.60

Finding the Fourth Proportional to 496,985.40, 745,478.10 and 181,452.60

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Solution

The fourth proportional to 496,985.40, 745,478.10 and 181,452.60 is: 272,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,985.40 : 745,478.10 = 181,452.60 : x
  2. Step 2: Convert to fraction form
    496,985.40/745,478.10 = 181,452.60/x
  3. Step 3: Cross multiply
    496,985.40x = 745,478.10 × 181,452.60
  4. Step 4: Simplify right side
    496,985.40x = 135,268,939,488.06
  5. Step 5: Solve for x
    x = 135,268,939,488.06/496,985.40
  6. Step 6: Final answer
    x = 272,178.90

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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.