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Finding the Fourth Proportional to 224,931.40, 337,299.90 and 112,568.20

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Solution

The fourth proportional to 224,931.40, 337,299.90 and 112,568.20 is: 168,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,931.40 : 337,299.90 = 112,568.20 : x
  2. Step 2: Convert to fraction form
    224,931.40/337,299.90 = 112,568.20/x
  3. Step 3: Cross multiply
    224,931.40x = 337,299.90 × 112,568.20
  4. Step 4: Simplify right side
    224,931.40x = 37,969,242,603.18
  5. Step 5: Solve for x
    x = 37,969,242,603.18/224,931.40
  6. Step 6: Final answer
    x = 168,803.66

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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.