Home / 229,619.60-344,429.40-136,077.20

Finding the Fourth Proportional to 229,619.60, 344,429.40 and 136,077.20

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Solution

The fourth proportional to 229,619.60, 344,429.40 and 136,077.20 is: 204,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,619.60 : 344,429.40 = 136,077.20 : x
  2. Step 2: Convert to fraction form
    229,619.60/344,429.40 = 136,077.20/x
  3. Step 3: Cross multiply
    229,619.60x = 344,429.40 × 136,077.20
  4. Step 4: Simplify right side
    229,619.60x = 46,868,988,349.68
  5. Step 5: Solve for x
    x = 46,868,988,349.68/229,619.60
  6. Step 6: Final answer
    x = 204,115.80

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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.