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Finding the Fourth Proportional to 437,879.80, 656,301.30 and 185,159.80

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Solution

The fourth proportional to 437,879.80, 656,301.30 and 185,159.80 is: 277,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,879.80 : 656,301.30 = 185,159.80 : x
  2. Step 2: Convert to fraction form
    437,879.80/656,301.30 = 185,159.80/x
  3. Step 3: Cross multiply
    437,879.80x = 656,301.30 × 185,159.80
  4. Step 4: Simplify right side
    437,879.80x = 121,520,617,447.74
  5. Step 5: Solve for x
    x = 121,520,617,447.74/437,879.80
  6. Step 6: Final answer
    x = 277,520.49

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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.