Home / 284,609.28-425,987.16-209,699.52

Finding the Fourth Proportional to 284,609.28, 425,987.16 and 209,699.52

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Solution

The fourth proportional to 284,609.28, 425,987.16 and 209,699.52 is: 313,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,609.28 : 425,987.16 = 209,699.52 : x
  2. Step 2: Convert to fraction form
    284,609.28/425,987.16 = 209,699.52/x
  3. Step 3: Cross multiply
    284,609.28x = 425,987.16 × 209,699.52
  4. Step 4: Simplify right side
    284,609.28x = 89,329,302,978.16
  5. Step 5: Solve for x
    x = 89,329,302,978.16/284,609.28
  6. Step 6: Final answer
    x = 313,866.45

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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.