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Finding the Fourth Proportional to 501,879.59, 752,807.09 and 122,797.32

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Solution

The fourth proportional to 501,879.59, 752,807.09 and 122,797.32 is: 184,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,879.59 : 752,807.09 = 122,797.32 : x
  2. Step 2: Convert to fraction form
    501,879.59/752,807.09 = 122,797.32/x
  3. Step 3: Cross multiply
    501,879.59x = 752,807.09 × 122,797.32
  4. Step 4: Simplify right side
    501,879.59x = 92,442,690,267.60
  5. Step 5: Solve for x
    x = 92,442,690,267.60/501,879.59
  6. Step 6: Final answer
    x = 184,192.96

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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.