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Finding the Fourth Proportional to 553,251.04, 829,098.96 and 316,238.56

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Solution

The fourth proportional to 553,251.04, 829,098.96 and 316,238.56 is: 473,913.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,251.04 : 829,098.96 = 316,238.56 : x
  2. Step 2: Convert to fraction form
    553,251.04/829,098.96 = 316,238.56/x
  3. Step 3: Cross multiply
    553,251.04x = 829,098.96 × 316,238.56
  4. Step 4: Simplify right side
    553,251.04x = 262,193,061,207.90
  5. Step 5: Solve for x
    x = 262,193,061,207.90/553,251.04
  6. Step 6: Final answer
    x = 473,913.36

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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.