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Finding the Fourth Proportional to 417,505.80, 576,158.04 and 226,519.21

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Solution

The fourth proportional to 417,505.80, 576,158.04 and 226,519.21 is: 312,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,505.80 : 576,158.04 = 226,519.21 : x
  2. Step 2: Convert to fraction form
    417,505.80/576,158.04 = 226,519.21/x
  3. Step 3: Cross multiply
    417,505.80x = 576,158.04 × 226,519.21
  4. Step 4: Simplify right side
    417,505.80x = 130,510,864,055.95
  5. Step 5: Solve for x
    x = 130,510,864,055.95/417,505.80
  6. Step 6: Final answer
    x = 312,596.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.