Home / 226,838.20-340,257.30-155,979.40

Finding the Fourth Proportional to 226,838.20, 340,257.30 and 155,979.40

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Solution

The fourth proportional to 226,838.20, 340,257.30 and 155,979.40 is: 233,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,838.20 : 340,257.30 = 155,979.40 : x
  2. Step 2: Convert to fraction form
    226,838.20/340,257.30 = 155,979.40/x
  3. Step 3: Cross multiply
    226,838.20x = 340,257.30 × 155,979.40
  4. Step 4: Simplify right side
    226,838.20x = 53,073,129,499.62
  5. Step 5: Solve for x
    x = 53,073,129,499.62/226,838.20
  6. Step 6: Final answer
    x = 233,969.10

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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.