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Finding the Fourth Proportional to 407,271.52, 610,909.30 and 167,516.16

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Solution

The fourth proportional to 407,271.52, 610,909.30 and 167,516.16 is: 251,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,271.52 : 610,909.30 = 167,516.16 : x
  2. Step 2: Convert to fraction form
    407,271.52/610,909.30 = 167,516.16/x
  3. Step 3: Cross multiply
    407,271.52x = 610,909.30 × 167,516.16
  4. Step 4: Simplify right side
    407,271.52x = 102,337,180,044.29
  5. Step 5: Solve for x
    x = 102,337,180,044.29/407,271.52
  6. Step 6: Final answer
    x = 251,275.07

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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.