Home / 291,941.16-437,752.78-131,829.48

Finding the Fourth Proportional to 291,941.16, 437,752.78 and 131,829.48

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Solution

The fourth proportional to 291,941.16, 437,752.78 and 131,829.48 is: 197,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,941.16 : 437,752.78 = 131,829.48 : x
  2. Step 2: Convert to fraction form
    291,941.16/437,752.78 = 131,829.48/x
  3. Step 3: Cross multiply
    291,941.16x = 437,752.78 × 131,829.48
  4. Step 4: Simplify right side
    291,941.16x = 57,708,721,355.95
  5. Step 5: Solve for x
    x = 57,708,721,355.95/291,941.16
  6. Step 6: Final answer
    x = 197,672.44

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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.