Home / 237,945.25-328,364.45-137,343.25

Finding the Fourth Proportional to 237,945.25, 328,364.45 and 137,343.25

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Solution

The fourth proportional to 237,945.25, 328,364.45 and 137,343.25 is: 189,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,945.25 : 328,364.45 = 137,343.25 : x
  2. Step 2: Convert to fraction form
    237,945.25/328,364.45 = 137,343.25/x
  3. Step 3: Cross multiply
    237,945.25x = 328,364.45 × 137,343.25
  4. Step 4: Simplify right side
    237,945.25x = 45,098,640,747.46
  5. Step 5: Solve for x
    x = 45,098,640,747.46/237,945.25
  6. Step 6: Final answer
    x = 189,533.69

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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.