Home / 411,176.20-615,842.70-245,288.20

Finding the Fourth Proportional to 411,176.20, 615,842.70 and 245,288.20

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Solution

The fourth proportional to 411,176.20, 615,842.70 and 245,288.20 is: 367,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,176.20 : 615,842.70 = 245,288.20 : x
  2. Step 2: Convert to fraction form
    411,176.20/615,842.70 = 245,288.20/x
  3. Step 3: Cross multiply
    411,176.20x = 615,842.70 × 245,288.20
  4. Step 4: Simplify right side
    411,176.20x = 151,058,947,366.14
  5. Step 5: Solve for x
    x = 151,058,947,366.14/411,176.20
  6. Step 6: Final answer
    x = 367,382.52

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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.