Home / 342,421.03-472,251.07-206,425.17

Finding the Fourth Proportional to 342,421.03, 472,251.07 and 206,425.17

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Solution

The fourth proportional to 342,421.03, 472,251.07 and 206,425.17 is: 284,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,421.03 : 472,251.07 = 206,425.17 : x
  2. Step 2: Convert to fraction form
    342,421.03/472,251.07 = 206,425.17/x
  3. Step 3: Cross multiply
    342,421.03x = 472,251.07 × 206,425.17
  4. Step 4: Simplify right side
    342,421.03x = 97,484,507,407.43
  5. Step 5: Solve for x
    x = 97,484,507,407.43/342,421.03
  6. Step 6: Final answer
    x = 284,691.94

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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.