Home / 315,125.56-472,446.03-163,159.72

Finding the Fourth Proportional to 315,125.56, 472,446.03 and 163,159.72

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Solution

The fourth proportional to 315,125.56, 472,446.03 and 163,159.72 is: 244,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,125.56 : 472,446.03 = 163,159.72 : x
  2. Step 2: Convert to fraction form
    315,125.56/472,446.03 = 163,159.72/x
  3. Step 3: Cross multiply
    315,125.56x = 472,446.03 × 163,159.72
  4. Step 4: Simplify right side
    315,125.56x = 77,084,161,969.91
  5. Step 5: Solve for x
    x = 77,084,161,969.91/315,125.56
  6. Step 6: Final answer
    x = 244,614.12

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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.