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Finding the Fourth Proportional to 237,768, 356,400.63 and 87,912.06

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Solution

The fourth proportional to 237,768, 356,400.63 and 87,912.06 is: 131,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,768 : 356,400.63 = 87,912.06 : x
  2. Step 2: Convert to fraction form
    237,768/356,400.63 = 87,912.06/x
  3. Step 3: Cross multiply
    237,768x = 356,400.63 × 87,912.06
  4. Step 4: Simplify right side
    237,768x = 31,331,913,568.60
  5. Step 5: Solve for x
    x = 31,331,913,568.60/237,768
  6. Step 6: Final answer
    x = 131,775.15

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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.