Home / 208,331.53-312,515.76-58,573.12

Finding the Fourth Proportional to 208,331.53, 312,515.76 and 58,573.12

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Solution

The fourth proportional to 208,331.53, 312,515.76 and 58,573.12 is: 87,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,331.53 : 312,515.76 = 58,573.12 : x
  2. Step 2: Convert to fraction form
    208,331.53/312,515.76 = 58,573.12/x
  3. Step 3: Cross multiply
    208,331.53x = 312,515.76 × 58,573.12
  4. Step 4: Simplify right side
    208,331.53x = 18,305,023,600.80
  5. Step 5: Solve for x
    x = 18,305,023,600.80/208,331.53
  6. Step 6: Final answer
    x = 87,864.87

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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.