Home / 495,520.20-743,280.30-179,936.10

Finding the Fourth Proportional to 495,520.20, 743,280.30 and 179,936.10

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Solution

The fourth proportional to 495,520.20, 743,280.30 and 179,936.10 is: 269,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,520.20 : 743,280.30 = 179,936.10 : x
  2. Step 2: Convert to fraction form
    495,520.20/743,280.30 = 179,936.10/x
  3. Step 3: Cross multiply
    495,520.20x = 743,280.30 × 179,936.10
  4. Step 4: Simplify right side
    495,520.20x = 133,742,958,388.83
  5. Step 5: Solve for x
    x = 133,742,958,388.83/495,520.20
  6. Step 6: Final answer
    x = 269,904.15

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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.