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Finding the Fourth Proportional to 291,450.88, 437,089.92 and 125,200

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Solution

The fourth proportional to 291,450.88, 437,089.92 and 125,200 is: 187,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,450.88 : 437,089.92 = 125,200 : x
  2. Step 2: Convert to fraction form
    291,450.88/437,089.92 = 125,200/x
  3. Step 3: Cross multiply
    291,450.88x = 437,089.92 × 125,200
  4. Step 4: Simplify right side
    291,450.88x = 54,723,657,984
  5. Step 5: Solve for x
    x = 54,723,657,984/291,450.88
  6. Step 6: Final answer
    x = 187,762.88

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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.