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Finding the Fourth Proportional to 313,052.50, 469,652.47 and 249,251.95

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Solution

The fourth proportional to 313,052.50, 469,652.47 and 249,251.95 is: 373,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,052.50 : 469,652.47 = 249,251.95 : x
  2. Step 2: Convert to fraction form
    313,052.50/469,652.47 = 249,251.95/x
  3. Step 3: Cross multiply
    313,052.50x = 469,652.47 × 249,251.95
  4. Step 4: Simplify right side
    313,052.50x = 117,061,792,723.56
  5. Step 5: Solve for x
    x = 117,061,792,723.56/313,052.50
  6. Step 6: Final answer
    x = 373,936.62

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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.