Home / 449,699.20-674,462.40-134,166.40

Finding the Fourth Proportional to 449,699.20, 674,462.40 and 134,166.40

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Solution

The fourth proportional to 449,699.20, 674,462.40 and 134,166.40 is: 201,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,699.20 : 674,462.40 = 134,166.40 : x
  2. Step 2: Convert to fraction form
    449,699.20/674,462.40 = 134,166.40/x
  3. Step 3: Cross multiply
    449,699.20x = 674,462.40 × 134,166.40
  4. Step 4: Simplify right side
    449,699.20x = 90,490,192,143.36
  5. Step 5: Solve for x
    x = 90,490,192,143.36/449,699.20
  6. Step 6: Final answer
    x = 201,223.82

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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.