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Finding the Fourth Proportional to 426,049.53, 639,030.54 and 226,157.73

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Solution

The fourth proportional to 426,049.53, 639,030.54 and 226,157.73 is: 339,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,049.53 : 639,030.54 = 226,157.73 : x
  2. Step 2: Convert to fraction form
    426,049.53/639,030.54 = 226,157.73/x
  3. Step 3: Cross multiply
    426,049.53x = 639,030.54 × 226,157.73
  4. Step 4: Simplify right side
    426,049.53x = 144,521,696,327.07
  5. Step 5: Solve for x
    x = 144,521,696,327.07/426,049.53
  6. Step 6: Final answer
    x = 339,213.37

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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.