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Finding the Fourth Proportional to 647,599.91, 970,811.80 and 226,646.15

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Solution

The fourth proportional to 647,599.91, 970,811.80 and 226,646.15 is: 339,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,599.91 : 970,811.80 = 226,646.15 : x
  2. Step 2: Convert to fraction form
    647,599.91/970,811.80 = 226,646.15/x
  3. Step 3: Cross multiply
    647,599.91x = 970,811.80 × 226,646.15
  4. Step 4: Simplify right side
    647,599.91x = 220,030,751,423.90
  5. Step 5: Solve for x
    x = 220,030,751,423.90/647,599.91
  6. Step 6: Final answer
    x = 339,763.41

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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.