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Finding the Fourth Proportional to 251,505.80, 377,258.70 and 64,517.30

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Solution

The fourth proportional to 251,505.80, 377,258.70 and 64,517.30 is: 96,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,505.80 : 377,258.70 = 64,517.30 : x
  2. Step 2: Convert to fraction form
    251,505.80/377,258.70 = 64,517.30/x
  3. Step 3: Cross multiply
    251,505.80x = 377,258.70 × 64,517.30
  4. Step 4: Simplify right side
    251,505.80x = 24,339,712,725.51
  5. Step 5: Solve for x
    x = 24,339,712,725.51/251,505.80
  6. Step 6: Final answer
    x = 96,775.95

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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.