Home / 278,230.35-417,378.64-88,624.14

Finding the Fourth Proportional to 278,230.35, 417,378.64 and 88,624.14

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Solution

The fourth proportional to 278,230.35, 417,378.64 and 88,624.14 is: 132,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,230.35 : 417,378.64 = 88,624.14 : x
  2. Step 2: Convert to fraction form
    278,230.35/417,378.64 = 88,624.14/x
  3. Step 3: Cross multiply
    278,230.35x = 417,378.64 × 88,624.14
  4. Step 4: Simplify right side
    278,230.35x = 36,989,823,024.37
  5. Step 5: Solve for x
    x = 36,989,823,024.37/278,230.35
  6. Step 6: Final answer
    x = 132,946.76

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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.