Home / 265,304.28-366,159.20-156,428.58

Finding the Fourth Proportional to 265,304.28, 366,159.20 and 156,428.58

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Solution

The fourth proportional to 265,304.28, 366,159.20 and 156,428.58 is: 215,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,304.28 : 366,159.20 = 156,428.58 : x
  2. Step 2: Convert to fraction form
    265,304.28/366,159.20 = 156,428.58/x
  3. Step 3: Cross multiply
    265,304.28x = 366,159.20 × 156,428.58
  4. Step 4: Simplify right side
    265,304.28x = 57,277,763,709.94
  5. Step 5: Solve for x
    x = 57,277,763,709.94/265,304.28
  6. Step 6: Final answer
    x = 215,894.61

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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.