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Finding the Fourth Proportional to 291,377.76, 437,141.76 and 158,223.84

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Solution

The fourth proportional to 291,377.76, 437,141.76 and 158,223.84 is: 237,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,377.76 : 437,141.76 = 158,223.84 : x
  2. Step 2: Convert to fraction form
    291,377.76/437,141.76 = 158,223.84/x
  3. Step 3: Cross multiply
    291,377.76x = 437,141.76 × 158,223.84
  4. Step 4: Simplify right side
    291,377.76x = 69,166,247,891.56
  5. Step 5: Solve for x
    x = 69,166,247,891.56/291,377.76
  6. Step 6: Final answer
    x = 237,376.55

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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.