Home / 386,146.10-532,881.78-235,243.10

Finding the Fourth Proportional to 386,146.10, 532,881.78 and 235,243.10

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Solution

The fourth proportional to 386,146.10, 532,881.78 and 235,243.10 is: 324,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,146.10 : 532,881.78 = 235,243.10 : x
  2. Step 2: Convert to fraction form
    386,146.10/532,881.78 = 235,243.10/x
  3. Step 3: Cross multiply
    386,146.10x = 532,881.78 × 235,243.10
  4. Step 4: Simplify right side
    386,146.10x = 125,356,761,860.72
  5. Step 5: Solve for x
    x = 125,356,761,860.72/386,146.10
  6. Step 6: Final answer
    x = 324,635.58

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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.