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Finding the Fourth Proportional to 616,234.20, 924,351.30 and 217,325.40

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Solution

The fourth proportional to 616,234.20, 924,351.30 and 217,325.40 is: 325,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,234.20 : 924,351.30 = 217,325.40 : x
  2. Step 2: Convert to fraction form
    616,234.20/924,351.30 = 217,325.40/x
  3. Step 3: Cross multiply
    616,234.20x = 924,351.30 × 217,325.40
  4. Step 4: Simplify right side
    616,234.20x = 200,885,016,013.02
  5. Step 5: Solve for x
    x = 200,885,016,013.02/616,234.20
  6. Step 6: Final answer
    x = 325,988.10

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1.5x scale

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.