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Finding the Fourth Proportional to 610,263, 915,394.50 and 236,286

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Solution

The fourth proportional to 610,263, 915,394.50 and 236,286 is: 354,429

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,263 : 915,394.50 = 236,286 : x
  2. Step 2: Convert to fraction form
    610,263/915,394.50 = 236,286/x
  3. Step 3: Cross multiply
    610,263x = 915,394.50 × 236,286
  4. Step 4: Simplify right side
    610,263x = 216,294,904,827
  5. Step 5: Solve for x
    x = 216,294,904,827/610,263
  6. Step 6: Final answer
    x = 354,429

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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.