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Finding the Fourth Proportional to 487,138.16, 730,520.22 and 167,230.37

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Solution

The fourth proportional to 487,138.16, 730,520.22 and 167,230.37 is: 250,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,138.16 : 730,520.22 = 167,230.37 : x
  2. Step 2: Convert to fraction form
    487,138.16/730,520.22 = 167,230.37/x
  3. Step 3: Cross multiply
    487,138.16x = 730,520.22 × 167,230.37
  4. Step 4: Simplify right side
    487,138.16x = 122,165,166,683.08
  5. Step 5: Solve for x
    x = 122,165,166,683.08/487,138.16
  6. Step 6: Final answer
    x = 250,781.35

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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.