Home / 291,343.26-437,015.02-80,983.02

Finding the Fourth Proportional to 291,343.26, 437,015.02 and 80,983.02

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Solution

The fourth proportional to 291,343.26, 437,015.02 and 80,983.02 is: 121,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,343.26 : 437,015.02 = 80,983.02 : x
  2. Step 2: Convert to fraction form
    291,343.26/437,015.02 = 80,983.02/x
  3. Step 3: Cross multiply
    291,343.26x = 437,015.02 × 80,983.02
  4. Step 4: Simplify right side
    291,343.26x = 35,390,796,104.96
  5. Step 5: Solve for x
    x = 35,390,796,104.96/291,343.26
  6. Step 6: Final answer
    x = 121,474.57

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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.