Home / 279,082.40-418,565.04-92,050.08

Finding the Fourth Proportional to 279,082.40, 418,565.04 and 92,050.08

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Solution

The fourth proportional to 279,082.40, 418,565.04 and 92,050.08 is: 138,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,082.40 : 418,565.04 = 92,050.08 : x
  2. Step 2: Convert to fraction form
    279,082.40/418,565.04 = 92,050.08/x
  3. Step 3: Cross multiply
    279,082.40x = 418,565.04 × 92,050.08
  4. Step 4: Simplify right side
    279,082.40x = 38,528,945,417.20
  5. Step 5: Solve for x
    x = 38,528,945,417.20/279,082.40
  6. Step 6: Final answer
    x = 138,055.81

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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.