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Finding the Fourth Proportional to 291,702.60, 437,334.60 and 123,419.88

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Solution

The fourth proportional to 291,702.60, 437,334.60 and 123,419.88 is: 185,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,702.60 : 437,334.60 = 123,419.88 : x
  2. Step 2: Convert to fraction form
    291,702.60/437,334.60 = 123,419.88/x
  3. Step 3: Cross multiply
    291,702.60x = 437,334.60 × 123,419.88
  4. Step 4: Simplify right side
    291,702.60x = 53,975,783,851.85
  5. Step 5: Solve for x
    x = 53,975,783,851.85/291,702.60
  6. Step 6: Final answer
    x = 185,037.03

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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.