Home / 497,478.90-745,998.19-142,412.02

Finding the Fourth Proportional to 497,478.90, 745,998.19 and 142,412.02

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Solution

The fourth proportional to 497,478.90, 745,998.19 and 142,412.02 is: 213,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,478.90 : 745,998.19 = 142,412.02 : x
  2. Step 2: Convert to fraction form
    497,478.90/745,998.19 = 142,412.02/x
  3. Step 3: Cross multiply
    497,478.90x = 745,998.19 × 142,412.02
  4. Step 4: Simplify right side
    497,478.90x = 106,239,109,154.24
  5. Step 5: Solve for x
    x = 106,239,109,154.24/497,478.90
  6. Step 6: Final answer
    x = 213,555.01

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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.