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Finding the Fourth Proportional to 657,276.90, 985,915.35 and 236,498.10

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Solution

The fourth proportional to 657,276.90, 985,915.35 and 236,498.10 is: 354,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,276.90 : 985,915.35 = 236,498.10 : x
  2. Step 2: Convert to fraction form
    657,276.90/985,915.35 = 236,498.10/x
  3. Step 3: Cross multiply
    657,276.90x = 985,915.35 × 236,498.10
  4. Step 4: Simplify right side
    657,276.90x = 233,167,107,035.84
  5. Step 5: Solve for x
    x = 233,167,107,035.84/657,276.90
  6. Step 6: Final answer
    x = 354,747.15

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Similar ratio
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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.