Home / 278,084.52-417,159.18-100,675.08

Finding the Fourth Proportional to 278,084.52, 417,159.18 and 100,675.08

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Solution

The fourth proportional to 278,084.52, 417,159.18 and 100,675.08 is: 151,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,084.52 : 417,159.18 = 100,675.08 : x
  2. Step 2: Convert to fraction form
    278,084.52/417,159.18 = 100,675.08/x
  3. Step 3: Cross multiply
    278,084.52x = 417,159.18 × 100,675.08
  4. Step 4: Simplify right side
    278,084.52x = 41,997,533,819.23
  5. Step 5: Solve for x
    x = 41,997,533,819.23/278,084.52
  6. Step 6: Final answer
    x = 151,024.35

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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.