Home / 276,901.38-415,352.03-66,539.32

Finding the Fourth Proportional to 276,901.38, 415,352.03 and 66,539.32

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Solution

The fourth proportional to 276,901.38, 415,352.03 and 66,539.32 is: 99,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,901.38 : 415,352.03 = 66,539.32 : x
  2. Step 2: Convert to fraction form
    276,901.38/415,352.03 = 66,539.32/x
  3. Step 3: Cross multiply
    276,901.38x = 415,352.03 × 66,539.32
  4. Step 4: Simplify right side
    276,901.38x = 27,637,240,265.74
  5. Step 5: Solve for x
    x = 27,637,240,265.74/276,901.38
  6. Step 6: Final answer
    x = 99,808.97

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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.