Home / 291,232.02-436,847.85-80,869.90

Finding the Fourth Proportional to 291,232.02, 436,847.85 and 80,869.90

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Solution

The fourth proportional to 291,232.02, 436,847.85 and 80,869.90 is: 121,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,232.02 : 436,847.85 = 80,869.90 : x
  2. Step 2: Convert to fraction form
    291,232.02/436,847.85 = 80,869.90/x
  3. Step 3: Cross multiply
    291,232.02x = 436,847.85 × 80,869.90
  4. Step 4: Simplify right side
    291,232.02x = 35,327,841,944.72
  5. Step 5: Solve for x
    x = 35,327,841,944.72/291,232.02
  6. Step 6: Final answer
    x = 121,304.80

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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.