Home / 297,387.02-410,387.56-161,421.23

Finding the Fourth Proportional to 297,387.02, 410,387.56 and 161,421.23

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Solution

The fourth proportional to 297,387.02, 410,387.56 and 161,421.23 is: 222,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,387.02 : 410,387.56 = 161,421.23 : x
  2. Step 2: Convert to fraction form
    297,387.02/410,387.56 = 161,421.23/x
  3. Step 3: Cross multiply
    297,387.02x = 410,387.56 × 161,421.23
  4. Step 4: Simplify right side
    297,387.02x = 66,245,265,334.31
  5. Step 5: Solve for x
    x = 66,245,265,334.31/297,387.02
  6. Step 6: Final answer
    x = 222,757.75

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1.5x scale

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.