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Finding the Fourth Proportional to 369,729.80, 510,227.12 and 199,963.92

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Solution

The fourth proportional to 369,729.80, 510,227.12 and 199,963.92 is: 275,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,729.80 : 510,227.12 = 199,963.92 : x
  2. Step 2: Convert to fraction form
    369,729.80/510,227.12 = 199,963.92/x
  3. Step 3: Cross multiply
    369,729.80x = 510,227.12 × 199,963.92
  4. Step 4: Simplify right side
    369,729.80x = 102,027,015,005.51
  5. Step 5: Solve for x
    x = 102,027,015,005.51/369,729.80
  6. Step 6: Final answer
    x = 275,950.21

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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.