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Finding the Fourth Proportional to 278,068.68, 383,530.95 and 182,540.52

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Solution

The fourth proportional to 278,068.68, 383,530.95 and 182,540.52 is: 251,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,068.68 : 383,530.95 = 182,540.52 : x
  2. Step 2: Convert to fraction form
    278,068.68/383,530.95 = 182,540.52/x
  3. Step 3: Cross multiply
    278,068.68x = 383,530.95 × 182,540.52
  4. Step 4: Simplify right side
    278,068.68x = 70,009,939,049.09
  5. Step 5: Solve for x
    x = 70,009,939,049.09/278,068.68
  6. Step 6: Final answer
    x = 251,772.11

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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.