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Finding the Fourth Proportional to 437,514, 656,273.73 and 121,973.64

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Solution

The fourth proportional to 437,514, 656,273.73 and 121,973.64 is: 182,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,514 : 656,273.73 = 121,973.64 : x
  2. Step 2: Convert to fraction form
    437,514/656,273.73 = 121,973.64/x
  3. Step 3: Cross multiply
    437,514x = 656,273.73 × 121,973.64
  4. Step 4: Simplify right side
    437,514x = 80,048,095,684.48
  5. Step 5: Solve for x
    x = 80,048,095,684.48/437,514
  6. Step 6: Final answer
    x = 182,961.22

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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.