Home / 278,419.41-417,336.15-177,294.36

Finding the Fourth Proportional to 278,419.41, 417,336.15 and 177,294.36

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Solution

The fourth proportional to 278,419.41, 417,336.15 and 177,294.36 is: 265,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,419.41 : 417,336.15 = 177,294.36 : x
  2. Step 2: Convert to fraction form
    278,419.41/417,336.15 = 177,294.36/x
  3. Step 3: Cross multiply
    278,419.41x = 417,336.15 × 177,294.36
  4. Step 4: Simplify right side
    278,419.41x = 73,991,345,619.11
  5. Step 5: Solve for x
    x = 73,991,345,619.11/278,419.41
  6. Step 6: Final answer
    x = 265,754.98

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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.