Home / 449,579.20-674,282.40-134,046.40

Finding the Fourth Proportional to 449,579.20, 674,282.40 and 134,046.40

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Solution

The fourth proportional to 449,579.20, 674,282.40 and 134,046.40 is: 201,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,579.20 : 674,282.40 = 134,046.40 : x
  2. Step 2: Convert to fraction form
    449,579.20/674,282.40 = 134,046.40/x
  3. Step 3: Cross multiply
    449,579.20x = 674,282.40 × 134,046.40
  4. Step 4: Simplify right side
    449,579.20x = 90,385,128,303.36
  5. Step 5: Solve for x
    x = 90,385,128,303.36/449,579.20
  6. Step 6: Final answer
    x = 201,043.84

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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.