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Finding the Fourth Proportional to 369,725.67, 510,221.43 and 199,959.80

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Solution

The fourth proportional to 369,725.67, 510,221.43 and 199,959.80 is: 275,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,725.67 : 510,221.43 = 199,959.80 : x
  2. Step 2: Convert to fraction form
    369,725.67/510,221.43 = 199,959.80/x
  3. Step 3: Cross multiply
    369,725.67x = 510,221.43 × 199,959.80
  4. Step 4: Simplify right side
    369,725.67x = 102,023,773,323.06
  5. Step 5: Solve for x
    x = 102,023,773,323.06/369,725.67
  6. Step 6: Final answer
    x = 275,944.52

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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.