Home / 291,627.56-437,441.52-81,271.04

Finding the Fourth Proportional to 291,627.56, 437,441.52 and 81,271.04

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Solution

The fourth proportional to 291,627.56, 437,441.52 and 81,271.04 is: 121,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,627.56 : 437,441.52 = 81,271.04 : x
  2. Step 2: Convert to fraction form
    291,627.56/437,441.52 = 81,271.04/x
  3. Step 3: Cross multiply
    291,627.56x = 437,441.52 × 81,271.04
  4. Step 4: Simplify right side
    291,627.56x = 35,551,327,269.58
  5. Step 5: Solve for x
    x = 35,551,327,269.58/291,627.56
  6. Step 6: Final answer
    x = 121,906.61

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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.