Home / 272,343.47-408,233.84-103,818.56

Finding the Fourth Proportional to 272,343.47, 408,233.84 and 103,818.56

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Solution

The fourth proportional to 272,343.47, 408,233.84 and 103,818.56 is: 155,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,343.47 : 408,233.84 = 103,818.56 : x
  2. Step 2: Convert to fraction form
    272,343.47/408,233.84 = 103,818.56/x
  3. Step 3: Cross multiply
    272,343.47x = 408,233.84 × 103,818.56
  4. Step 4: Simplify right side
    272,343.47x = 42,382,246,851.81
  5. Step 5: Solve for x
    x = 42,382,246,851.81/272,343.47
  6. Step 6: Final answer
    x = 155,620.58

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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.