Home / 278,024.20-417,036.34-67,662.14

Finding the Fourth Proportional to 278,024.20, 417,036.34 and 67,662.14

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Solution

The fourth proportional to 278,024.20, 417,036.34 and 67,662.14 is: 101,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,024.20 : 417,036.34 = 67,662.14 : x
  2. Step 2: Convert to fraction form
    278,024.20/417,036.34 = 67,662.14/x
  3. Step 3: Cross multiply
    278,024.20x = 417,036.34 × 67,662.14
  4. Step 4: Simplify right side
    278,024.20x = 28,217,571,222.17
  5. Step 5: Solve for x
    x = 28,217,571,222.17/278,024.20
  6. Step 6: Final answer
    x = 101,493.22

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1.5x scale

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.