Home / 283,374.02-391,056.18-156,048.50

Finding the Fourth Proportional to 283,374.02, 391,056.18 and 156,048.50

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Solution

The fourth proportional to 283,374.02, 391,056.18 and 156,048.50 is: 215,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,374.02 : 391,056.18 = 156,048.50 : x
  2. Step 2: Convert to fraction form
    283,374.02/391,056.18 = 156,048.50/x
  3. Step 3: Cross multiply
    283,374.02x = 391,056.18 × 156,048.50
  4. Step 4: Simplify right side
    283,374.02x = 61,023,730,304.73
  5. Step 5: Solve for x
    x = 61,023,730,304.73/283,374.02
  6. Step 6: Final answer
    x = 215,346.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.