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Finding the Fourth Proportional to 270,186.30, 372,831.21 and 149,308.02

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Solution

The fourth proportional to 270,186.30, 372,831.21 and 149,308.02 is: 206,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,186.30 : 372,831.21 = 149,308.02 : x
  2. Step 2: Convert to fraction form
    270,186.30/372,831.21 = 149,308.02/x
  3. Step 3: Cross multiply
    270,186.30x = 372,831.21 × 149,308.02
  4. Step 4: Simplify right side
    270,186.30x = 55,666,689,759.30
  5. Step 5: Solve for x
    x = 55,666,689,759.30/270,186.30
  6. Step 6: Final answer
    x = 206,030.76

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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.