Home / 276,836.49-415,254.87-77,162.04

Finding the Fourth Proportional to 276,836.49, 415,254.87 and 77,162.04

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Solution

The fourth proportional to 276,836.49, 415,254.87 and 77,162.04 is: 115,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,836.49 : 415,254.87 = 77,162.04 : x
  2. Step 2: Convert to fraction form
    276,836.49/415,254.87 = 77,162.04/x
  3. Step 3: Cross multiply
    276,836.49x = 415,254.87 × 77,162.04
  4. Step 4: Simplify right side
    276,836.49x = 32,041,912,889.13
  5. Step 5: Solve for x
    x = 32,041,912,889.13/276,836.49
  6. Step 6: Final answer
    x = 115,743.10

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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.