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Finding the Fourth Proportional to 369,722.98, 510,217.71 and 199,957.10

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Solution

The fourth proportional to 369,722.98, 510,217.71 and 199,957.10 is: 275,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,722.98 : 510,217.71 = 199,957.10 : x
  2. Step 2: Convert to fraction form
    369,722.98/510,217.71 = 199,957.10/x
  3. Step 3: Cross multiply
    369,722.98x = 510,217.71 × 199,957.10
  4. Step 4: Simplify right side
    369,722.98x = 102,021,654,185.95
  5. Step 5: Solve for x
    x = 102,021,654,185.95/369,722.98
  6. Step 6: Final answer
    x = 275,940.80

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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.