Home / 411,760.23-617,690.17-145,466.25

Finding the Fourth Proportional to 411,760.23, 617,690.17 and 145,466.25

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Solution

The fourth proportional to 411,760.23, 617,690.17 and 145,466.25 is: 218,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,760.23 : 617,690.17 = 145,466.25 : x
  2. Step 2: Convert to fraction form
    411,760.23/617,690.17 = 145,466.25/x
  3. Step 3: Cross multiply
    411,760.23x = 617,690.17 × 145,466.25
  4. Step 4: Simplify right side
    411,760.23x = 89,853,070,557.26
  5. Step 5: Solve for x
    x = 89,853,070,557.26/411,760.23
  6. Step 6: Final answer
    x = 218,216.97

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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.