Home / 291,981.42-437,934.24-92,321.94

Finding the Fourth Proportional to 291,981.42, 437,934.24 and 92,321.94

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Solution

The fourth proportional to 291,981.42, 437,934.24 and 92,321.94 is: 138,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,981.42 : 437,934.24 = 92,321.94 : x
  2. Step 2: Convert to fraction form
    291,981.42/437,934.24 = 92,321.94/x
  3. Step 3: Cross multiply
    291,981.42x = 437,934.24 × 92,321.94
  4. Step 4: Simplify right side
    291,981.42x = 40,430,938,629.23
  5. Step 5: Solve for x
    x = 40,430,938,629.23/291,981.42
  6. Step 6: Final answer
    x = 138,470.93

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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.