Home / 204,670.38-305,566.48-156,386.29

Finding the Fourth Proportional to 204,670.38, 305,566.48 and 156,386.29

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Solution

The fourth proportional to 204,670.38, 305,566.48 and 156,386.29 is: 233,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,670.38 : 305,566.48 = 156,386.29 : x
  2. Step 2: Convert to fraction form
    204,670.38/305,566.48 = 156,386.29/x
  3. Step 3: Cross multiply
    204,670.38x = 305,566.48 × 156,386.29
  4. Step 4: Simplify right side
    204,670.38x = 47,786,407,000.68
  5. Step 5: Solve for x
    x = 47,786,407,000.68/204,670.38
  6. Step 6: Final answer
    x = 233,479.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.