Home / 411,761.23-617,691.67-145,467.25

Finding the Fourth Proportional to 411,761.23, 617,691.67 and 145,467.25

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Solution

The fourth proportional to 411,761.23, 617,691.67 and 145,467.25 is: 218,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,761.23 : 617,691.67 = 145,467.25 : x
  2. Step 2: Convert to fraction form
    411,761.23/617,691.67 = 145,467.25/x
  3. Step 3: Cross multiply
    411,761.23x = 617,691.67 × 145,467.25
  4. Step 4: Simplify right side
    411,761.23x = 89,853,908,582.81
  5. Step 5: Solve for x
    x = 89,853,908,582.81/411,761.23
  6. Step 6: Final answer
    x = 218,218.48

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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.