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Finding the Fourth Proportional to 369,725.72, 510,221.48 and 199,959.84

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Solution

The fourth proportional to 369,725.72, 510,221.48 and 199,959.84 is: 275,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,725.72 : 510,221.48 = 199,959.84 : x
  2. Step 2: Convert to fraction form
    369,725.72/510,221.48 = 199,959.84/x
  3. Step 3: Cross multiply
    369,725.72x = 510,221.48 × 199,959.84
  4. Step 4: Simplify right side
    369,725.72x = 102,023,805,505.36
  5. Step 5: Solve for x
    x = 102,023,805,505.36/369,725.72
  6. Step 6: Final answer
    x = 275,944.57

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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.