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Finding the Fourth Proportional to 656,960.16, 985,438.56 and 158,324.16

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Solution

The fourth proportional to 656,960.16, 985,438.56 and 158,324.16 is: 237,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,960.16 : 985,438.56 = 158,324.16 : x
  2. Step 2: Convert to fraction form
    656,960.16/985,438.56 = 158,324.16/x
  3. Step 3: Cross multiply
    656,960.16x = 985,438.56 × 158,324.16
  4. Step 4: Simplify right side
    656,960.16x = 156,018,732,243.61
  5. Step 5: Solve for x
    x = 156,018,732,243.61/656,960.16
  6. Step 6: Final answer
    x = 237,485.84

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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.