Home / 425,114.69-586,646.29-231,518.04

Finding the Fourth Proportional to 425,114.69, 586,646.29 and 231,518.04

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Solution

The fourth proportional to 425,114.69, 586,646.29 and 231,518.04 is: 319,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,114.69 : 586,646.29 = 231,518.04 : x
  2. Step 2: Convert to fraction form
    425,114.69/586,646.29 = 231,518.04/x
  3. Step 3: Cross multiply
    425,114.69x = 586,646.29 × 231,518.04
  4. Step 4: Simplify right side
    425,114.69x = 135,819,198,655.28
  5. Step 5: Solve for x
    x = 135,819,198,655.28/425,114.69
  6. Step 6: Final answer
    x = 319,488.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.