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Finding the Fourth Proportional to 207,423.37, 311,127.76 and 65,264.73

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Solution

The fourth proportional to 207,423.37, 311,127.76 and 65,264.73 is: 97,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,423.37 : 311,127.76 = 65,264.73 : x
  2. Step 2: Convert to fraction form
    207,423.37/311,127.76 = 65,264.73/x
  3. Step 3: Cross multiply
    207,423.37x = 311,127.76 × 65,264.73
  4. Step 4: Simplify right side
    207,423.37x = 20,305,669,251.90
  5. Step 5: Solve for x
    x = 20,305,669,251.90/207,423.37
  6. Step 6: Final answer
    x = 97,894.80

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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.