Home / 395,047.49-592,431.03-142,260.12

Finding the Fourth Proportional to 395,047.49, 592,431.03 and 142,260.12

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Solution

The fourth proportional to 395,047.49, 592,431.03 and 142,260.12 is: 213,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,047.49 : 592,431.03 = 142,260.12 : x
  2. Step 2: Convert to fraction form
    395,047.49/592,431.03 = 142,260.12/x
  3. Step 3: Cross multiply
    395,047.49x = 592,431.03 × 142,260.12
  4. Step 4: Simplify right side
    395,047.49x = 84,279,309,419.52
  5. Step 5: Solve for x
    x = 84,279,309,419.52/395,047.49
  6. Step 6: Final answer
    x = 213,339.69

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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.