Home / 315,192.29-472,791.65-90,552.15

Finding the Fourth Proportional to 315,192.29, 472,791.65 and 90,552.15

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Solution

The fourth proportional to 315,192.29, 472,791.65 and 90,552.15 is: 135,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,192.29 : 472,791.65 = 90,552.15 : x
  2. Step 2: Convert to fraction form
    315,192.29/472,791.65 = 90,552.15/x
  3. Step 3: Cross multiply
    315,192.29x = 472,791.65 × 90,552.15
  4. Step 4: Simplify right side
    315,192.29x = 42,812,299,956.79
  5. Step 5: Solve for x
    x = 42,812,299,956.79/315,192.29
  6. Step 6: Final answer
    x = 135,829.15

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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.