Home / 237,709.89-328,042.22-130,277.61

Finding the Fourth Proportional to 237,709.89, 328,042.22 and 130,277.61

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Solution

The fourth proportional to 237,709.89, 328,042.22 and 130,277.61 is: 179,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,709.89 : 328,042.22 = 130,277.61 : x
  2. Step 2: Convert to fraction form
    237,709.89/328,042.22 = 130,277.61/x
  3. Step 3: Cross multiply
    237,709.89x = 328,042.22 × 130,277.61
  4. Step 4: Simplify right side
    237,709.89x = 42,736,555,749.31
  5. Step 5: Solve for x
    x = 42,736,555,749.31/237,709.89
  6. Step 6: Final answer
    x = 179,784.51

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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.