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Finding the Fourth Proportional to 437,695.45, 656,600.59 and 171,421.36

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Solution

The fourth proportional to 437,695.45, 656,600.59 and 171,421.36 is: 257,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,695.45 : 656,600.59 = 171,421.36 : x
  2. Step 2: Convert to fraction form
    437,695.45/656,600.59 = 171,421.36/x
  3. Step 3: Cross multiply
    437,695.45x = 656,600.59 × 171,421.36
  4. Step 4: Simplify right side
    437,695.45x = 112,555,366,114.60
  5. Step 5: Solve for x
    x = 112,555,366,114.60/437,695.45
  6. Step 6: Final answer
    x = 257,154.53

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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.