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Finding the Fourth Proportional to 334,417.72, 501,626.93 and 156,924.90

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Solution

The fourth proportional to 334,417.72, 501,626.93 and 156,924.90 is: 235,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,417.72 : 501,626.93 = 156,924.90 : x
  2. Step 2: Convert to fraction form
    334,417.72/501,626.93 = 156,924.90/x
  3. Step 3: Cross multiply
    334,417.72x = 501,626.93 × 156,924.90
  4. Step 4: Simplify right side
    334,417.72x = 78,717,755,042.93
  5. Step 5: Solve for x
    x = 78,717,755,042.93/334,417.72
  6. Step 6: Final answer
    x = 235,387.51

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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.