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Finding the Fourth Proportional to 251,497.46, 377,283.61 and 83,035.58

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Solution

The fourth proportional to 251,497.46, 377,283.61 and 83,035.58 is: 124,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,497.46 : 377,283.61 = 83,035.58 : x
  2. Step 2: Convert to fraction form
    251,497.46/377,283.61 = 83,035.58/x
  3. Step 3: Cross multiply
    251,497.46x = 377,283.61 × 83,035.58
  4. Step 4: Simplify right side
    251,497.46x = 31,327,963,253.37
  5. Step 5: Solve for x
    x = 31,327,963,253.37/251,497.46
  6. Step 6: Final answer
    x = 124,565.73

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1.5x scale

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.