Home / 253,632.31-380,588.49-141,375.74

Finding the Fourth Proportional to 253,632.31, 380,588.49 and 141,375.74

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Solution

The fourth proportional to 253,632.31, 380,588.49 and 141,375.74 is: 212,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,632.31 : 380,588.49 = 141,375.74 : x
  2. Step 2: Convert to fraction form
    253,632.31/380,588.49 = 141,375.74/x
  3. Step 3: Cross multiply
    253,632.31x = 380,588.49 × 141,375.74
  4. Step 4: Simplify right side
    253,632.31x = 53,805,977,506.29
  5. Step 5: Solve for x
    x = 53,805,977,506.29/253,632.31
  6. Step 6: Final answer
    x = 212,141.66

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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.