Home / 228,927.67-316,001.96-156,278.57

Finding the Fourth Proportional to 228,927.67, 316,001.96 and 156,278.57

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Solution

The fourth proportional to 228,927.67, 316,001.96 and 156,278.57 is: 215,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,927.67 : 316,001.96 = 156,278.57 : x
  2. Step 2: Convert to fraction form
    228,927.67/316,001.96 = 156,278.57/x
  3. Step 3: Cross multiply
    228,927.67x = 316,001.96 × 156,278.57
  4. Step 4: Simplify right side
    228,927.67x = 49,384,332,650.64
  5. Step 5: Solve for x
    x = 49,384,332,650.64/228,927.67
  6. Step 6: Final answer
    x = 215,720.25

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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.