Home / 218,356.20-301,337.44-122,866.28

Finding the Fourth Proportional to 218,356.20, 301,337.44 and 122,866.28

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Solution

The fourth proportional to 218,356.20, 301,337.44 and 122,866.28 is: 169,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,356.20 : 301,337.44 = 122,866.28 : x
  2. Step 2: Convert to fraction form
    218,356.20/301,337.44 = 122,866.28/x
  3. Step 3: Cross multiply
    218,356.20x = 301,337.44 × 122,866.28
  4. Step 4: Simplify right side
    218,356.20x = 37,024,210,277.52
  5. Step 5: Solve for x
    x = 37,024,210,277.52/218,356.20
  6. Step 6: Final answer
    x = 169,558.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.