Home / 229,138.20-343,016.10-201,490.20

Finding the Fourth Proportional to 229,138.20, 343,016.10 and 201,490.20

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Solution

The fourth proportional to 229,138.20, 343,016.10 and 201,490.20 is: 301,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,138.20 : 343,016.10 = 201,490.20 : x
  2. Step 2: Convert to fraction form
    229,138.20/343,016.10 = 201,490.20/x
  3. Step 3: Cross multiply
    229,138.20x = 343,016.10 × 201,490.20
  4. Step 4: Simplify right side
    229,138.20x = 69,114,382,592.22
  5. Step 5: Solve for x
    x = 69,114,382,592.22/229,138.20
  6. Step 6: Final answer
    x = 301,627.50

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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.