Home / 276,732.80-415,219.82-96,947.20

Finding the Fourth Proportional to 276,732.80, 415,219.82 and 96,947.20

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Solution

The fourth proportional to 276,732.80, 415,219.82 and 96,947.20 is: 145,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,732.80 : 415,219.82 = 96,947.20 : x
  2. Step 2: Convert to fraction form
    276,732.80/415,219.82 = 96,947.20/x
  3. Step 3: Cross multiply
    276,732.80x = 415,219.82 × 96,947.20
  4. Step 4: Simplify right side
    276,732.80x = 40,254,398,448.77
  5. Step 5: Solve for x
    x = 40,254,398,448.77/276,732.80
  6. Step 6: Final answer
    x = 145,463.05

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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.