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Finding the Fourth Proportional to 207,776, 311,715.84 and 60,032

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Solution

The fourth proportional to 207,776, 311,715.84 and 60,032 is: 90,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,776 : 311,715.84 = 60,032 : x
  2. Step 2: Convert to fraction form
    207,776/311,715.84 = 60,032/x
  3. Step 3: Cross multiply
    207,776x = 311,715.84 × 60,032
  4. Step 4: Simplify right side
    207,776x = 18,712,925,306.88
  5. Step 5: Solve for x
    x = 18,712,925,306.88/207,776
  6. Step 6: Final answer
    x = 90,062.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.