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Finding the Fourth Proportional to 269,635.52, 372,071.76 and 260,576.48

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Solution

The fourth proportional to 269,635.52, 372,071.76 and 260,576.48 is: 359,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,635.52 : 372,071.76 = 260,576.48 : x
  2. Step 2: Convert to fraction form
    269,635.52/372,071.76 = 260,576.48/x
  3. Step 3: Cross multiply
    269,635.52x = 372,071.76 × 260,576.48
  4. Step 4: Simplify right side
    269,635.52x = 96,953,149,528.20
  5. Step 5: Solve for x
    x = 96,953,149,528.20/269,635.52
  6. Step 6: Final answer
    x = 359,571.13

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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.