Home / 495,232.80-742,849.20-229,512.30

Finding the Fourth Proportional to 495,232.80, 742,849.20 and 229,512.30

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Solution

The fourth proportional to 495,232.80, 742,849.20 and 229,512.30 is: 344,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,232.80 : 742,849.20 = 229,512.30 : x
  2. Step 2: Convert to fraction form
    495,232.80/742,849.20 = 229,512.30/x
  3. Step 3: Cross multiply
    495,232.80x = 742,849.20 × 229,512.30
  4. Step 4: Simplify right side
    495,232.80x = 170,493,028,445.16
  5. Step 5: Solve for x
    x = 170,493,028,445.16/495,232.80
  6. Step 6: Final answer
    x = 344,268.45

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Similar ratio
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1.5x scale

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.