Home / 297,390.03-410,398.56-161,423.95

Finding the Fourth Proportional to 297,390.03, 410,398.56 and 161,423.95

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Solution

The fourth proportional to 297,390.03, 410,398.56 and 161,423.95 is: 222,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,390.03 : 410,398.56 = 161,423.95 : x
  2. Step 2: Convert to fraction form
    297,390.03/410,398.56 = 161,423.95/x
  3. Step 3: Cross multiply
    297,390.03x = 410,398.56 × 161,423.95
  4. Step 4: Simplify right side
    297,390.03x = 66,248,156,629.51
  5. Step 5: Solve for x
    x = 66,248,156,629.51/297,390.03
  6. Step 6: Final answer
    x = 222,765.22

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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.