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Finding the Fourth Proportional to 449,900.16, 674,851.04 and 134,332.24

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Solution

The fourth proportional to 449,900.16, 674,851.04 and 134,332.24 is: 201,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,900.16 : 674,851.04 = 134,332.24 : x
  2. Step 2: Convert to fraction form
    449,900.16/674,851.04 = 134,332.24/x
  3. Step 3: Cross multiply
    449,900.16x = 674,851.04 × 134,332.24
  4. Step 4: Simplify right side
    449,900.16x = 90,654,251,869.53
  5. Step 5: Solve for x
    x = 90,654,251,869.53/449,900.16
  6. Step 6: Final answer
    x = 201,498.60

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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.