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Finding the Fourth Proportional to 369,217.98, 509,520.80 and 199,452.11

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Solution

The fourth proportional to 369,217.98, 509,520.80 and 199,452.11 is: 275,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,217.98 : 509,520.80 = 199,452.11 : x
  2. Step 2: Convert to fraction form
    369,217.98/509,520.80 = 199,452.11/x
  3. Step 3: Cross multiply
    369,217.98x = 509,520.80 × 199,452.11
  4. Step 4: Simplify right side
    369,217.98x = 101,624,996,599.91
  5. Step 5: Solve for x
    x = 101,624,996,599.91/369,217.98
  6. Step 6: Final answer
    x = 275,243.90

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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.