Home / 495,246.40-742,783.20-179,540.80

Finding the Fourth Proportional to 495,246.40, 742,783.20 and 179,540.80

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Solution

The fourth proportional to 495,246.40, 742,783.20 and 179,540.80 is: 269,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,246.40 : 742,783.20 = 179,540.80 : x
  2. Step 2: Convert to fraction form
    495,246.40/742,783.20 = 179,540.80/x
  3. Step 3: Cross multiply
    495,246.40x = 742,783.20 × 179,540.80
  4. Step 4: Simplify right side
    495,246.40x = 133,359,889,954.56
  5. Step 5: Solve for x
    x = 133,359,889,954.56/495,246.40
  6. Step 6: Final answer
    x = 269,279.88

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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.