Home / 242,577.02-363,931.20-137,469.80

Finding the Fourth Proportional to 242,577.02, 363,931.20 and 137,469.80

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Solution

The fourth proportional to 242,577.02, 363,931.20 and 137,469.80 is: 206,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,577.02 : 363,931.20 = 137,469.80 : x
  2. Step 2: Convert to fraction form
    242,577.02/363,931.20 = 137,469.80/x
  3. Step 3: Cross multiply
    242,577.02x = 363,931.20 × 137,469.80
  4. Step 4: Simplify right side
    242,577.02x = 50,029,549,277.76
  5. Step 5: Solve for x
    x = 50,029,549,277.76/242,577.02
  6. Step 6: Final answer
    x = 206,241.92

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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.