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Finding the Fourth Proportional to 637,690.85, 956,508.60 and 238,335.08

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Solution

The fourth proportional to 637,690.85, 956,508.60 and 238,335.08 is: 357,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,690.85 : 956,508.60 = 238,335.08 : x
  2. Step 2: Convert to fraction form
    637,690.85/956,508.60 = 238,335.08/x
  3. Step 3: Cross multiply
    637,690.85x = 956,508.60 × 238,335.08
  4. Step 4: Simplify right side
    637,690.85x = 227,969,553,701.69
  5. Step 5: Solve for x
    x = 227,969,553,701.69/637,690.85
  6. Step 6: Final answer
    x = 357,492.28

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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.