Home / 247,406.88-371,307.06-89,680.44

Finding the Fourth Proportional to 247,406.88, 371,307.06 and 89,680.44

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Solution

The fourth proportional to 247,406.88, 371,307.06 and 89,680.44 is: 134,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,406.88 : 371,307.06 = 89,680.44 : x
  2. Step 2: Convert to fraction form
    247,406.88/371,307.06 = 89,680.44/x
  3. Step 3: Cross multiply
    247,406.88x = 371,307.06 × 89,680.44
  4. Step 4: Simplify right side
    247,406.88x = 33,298,980,515.91
  5. Step 5: Solve for x
    x = 33,298,980,515.91/247,406.88
  6. Step 6: Final answer
    x = 134,591.97

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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.