Home / 207,849.90-310,996.26-148,016.62

Finding the Fourth Proportional to 207,849.90, 310,996.26 and 148,016.62

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Solution

The fourth proportional to 207,849.90, 310,996.26 and 148,016.62 is: 221,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,849.90 : 310,996.26 = 148,016.62 : x
  2. Step 2: Convert to fraction form
    207,849.90/310,996.26 = 148,016.62/x
  3. Step 3: Cross multiply
    207,849.90x = 310,996.26 × 148,016.62
  4. Step 4: Simplify right side
    207,849.90x = 46,032,613,877.23
  5. Step 5: Solve for x
    x = 46,032,613,877.23/207,849.90
  6. Step 6: Final answer
    x = 221,470.47

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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.