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Finding the Fourth Proportional to 360,045.80, 540,003.90 and 226,687.40

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Solution

The fourth proportional to 360,045.80, 540,003.90 and 226,687.40 is: 339,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,045.80 : 540,003.90 = 226,687.40 : x
  2. Step 2: Convert to fraction form
    360,045.80/540,003.90 = 226,687.40/x
  3. Step 3: Cross multiply
    360,045.80x = 540,003.90 × 226,687.40
  4. Step 4: Simplify right side
    360,045.80x = 122,412,080,080.86
  5. Step 5: Solve for x
    x = 122,412,080,080.86/360,045.80
  6. Step 6: Final answer
    x = 339,990.30

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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.