Home / 218,359.20-301,341.58-122,869.28

Finding the Fourth Proportional to 218,359.20, 301,341.58 and 122,869.28

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Solution

The fourth proportional to 218,359.20, 301,341.58 and 122,869.28 is: 169,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,359.20 : 301,341.58 = 122,869.28 : x
  2. Step 2: Convert to fraction form
    218,359.20/301,341.58 = 122,869.28/x
  3. Step 3: Cross multiply
    218,359.20x = 301,341.58 × 122,869.28
  4. Step 4: Simplify right side
    218,359.20x = 37,025,622,968.66
  5. Step 5: Solve for x
    x = 37,025,622,968.66/218,359.20
  6. Step 6: Final answer
    x = 169,562.92

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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.