Home / 247,614.30-371,421.45-89,785.80

Finding the Fourth Proportional to 247,614.30, 371,421.45 and 89,785.80

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Solution

The fourth proportional to 247,614.30, 371,421.45 and 89,785.80 is: 134,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,614.30 : 371,421.45 = 89,785.80 : x
  2. Step 2: Convert to fraction form
    247,614.30/371,421.45 = 89,785.80/x
  3. Step 3: Cross multiply
    247,614.30x = 371,421.45 × 89,785.80
  4. Step 4: Simplify right side
    247,614.30x = 33,348,372,025.41
  5. Step 5: Solve for x
    x = 33,348,372,025.41/247,614.30
  6. Step 6: Final answer
    x = 134,678.70

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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.