Home / 278,261.19-417,422.43-88,677.45

Finding the Fourth Proportional to 278,261.19, 417,422.43 and 88,677.45

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Solution

The fourth proportional to 278,261.19, 417,422.43 and 88,677.45 is: 133,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,261.19 : 417,422.43 = 88,677.45 : x
  2. Step 2: Convert to fraction form
    278,261.19/417,422.43 = 88,677.45/x
  3. Step 3: Cross multiply
    278,261.19x = 417,422.43 × 88,677.45
  4. Step 4: Simplify right side
    278,261.19x = 37,015,956,665.20
  5. Step 5: Solve for x
    x = 37,015,956,665.20/278,261.19
  6. Step 6: Final answer
    x = 133,025.94

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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.