Home / 229,323.15-316,615.83-148,979.66

Finding the Fourth Proportional to 229,323.15, 316,615.83 and 148,979.66

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Solution

The fourth proportional to 229,323.15, 316,615.83 and 148,979.66 is: 205,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,323.15 : 316,615.83 = 148,979.66 : x
  2. Step 2: Convert to fraction form
    229,323.15/316,615.83 = 148,979.66/x
  3. Step 3: Cross multiply
    229,323.15x = 316,615.83 × 148,979.66
  4. Step 4: Simplify right side
    229,323.15x = 47,169,317,120.94
  5. Step 5: Solve for x
    x = 47,169,317,120.94/229,323.15
  6. Step 6: Final answer
    x = 205,689.30

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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.