Home / 449,132.60-673,805.08-145,526.24

Finding the Fourth Proportional to 449,132.60, 673,805.08 and 145,526.24

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Solution

The fourth proportional to 449,132.60, 673,805.08 and 145,526.24 is: 218,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,132.60 : 673,805.08 = 145,526.24 : x
  2. Step 2: Convert to fraction form
    449,132.60/673,805.08 = 145,526.24/x
  3. Step 3: Cross multiply
    449,132.60x = 673,805.08 × 145,526.24
  4. Step 4: Simplify right side
    449,132.60x = 98,056,320,833.13
  5. Step 5: Solve for x
    x = 98,056,320,833.13/449,132.60
  6. Step 6: Final answer
    x = 218,323.77

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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.