Home / 279,060.60-418,337.72-101,442.16

Finding the Fourth Proportional to 279,060.60, 418,337.72 and 101,442.16

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Solution

The fourth proportional to 279,060.60, 418,337.72 and 101,442.16 is: 152,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,060.60 : 418,337.72 = 101,442.16 : x
  2. Step 2: Convert to fraction form
    279,060.60/418,337.72 = 101,442.16/x
  3. Step 3: Cross multiply
    279,060.60x = 418,337.72 × 101,442.16
  4. Step 4: Simplify right side
    279,060.60x = 42,437,081,926.28
  5. Step 5: Solve for x
    x = 42,437,081,926.28/279,060.60
  6. Step 6: Final answer
    x = 152,071.21

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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.