Home / 315,126.06-472,446.78-163,160.22

Finding the Fourth Proportional to 315,126.06, 472,446.78 and 163,160.22

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Solution

The fourth proportional to 315,126.06, 472,446.78 and 163,160.22 is: 244,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,126.06 : 472,446.78 = 163,160.22 : x
  2. Step 2: Convert to fraction form
    315,126.06/472,446.78 = 163,160.22/x
  3. Step 3: Cross multiply
    315,126.06x = 472,446.78 × 163,160.22
  4. Step 4: Simplify right side
    315,126.06x = 77,084,520,563.09
  5. Step 5: Solve for x
    x = 77,084,520,563.09/315,126.06
  6. Step 6: Final answer
    x = 244,614.87

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1.5x scale

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.