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Finding the Fourth Proportional to 500,137.40, 749,655.68 and 247,043.18

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Solution

The fourth proportional to 500,137.40, 749,655.68 and 247,043.18 is: 370,292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,137.40 : 749,655.68 = 247,043.18 : x
  2. Step 2: Convert to fraction form
    500,137.40/749,655.68 = 247,043.18/x
  3. Step 3: Cross multiply
    500,137.40x = 749,655.68 × 247,043.18
  4. Step 4: Simplify right side
    500,137.40x = 185,197,318,108.77
  5. Step 5: Solve for x
    x = 185,197,318,108.77/500,137.40
  6. Step 6: Final answer
    x = 370,292.88

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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.