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Finding the Fourth Proportional to 360,810.12, 497,910.42 and 199,655.52

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Solution

The fourth proportional to 360,810.12, 497,910.42 and 199,655.52 is: 275,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,810.12 : 497,910.42 = 199,655.52 : x
  2. Step 2: Convert to fraction form
    360,810.12/497,910.42 = 199,655.52/x
  3. Step 3: Cross multiply
    360,810.12x = 497,910.42 × 199,655.52
  4. Step 4: Simplify right side
    360,810.12x = 99,410,563,818.52
  5. Step 5: Solve for x
    x = 99,410,563,818.52/360,810.12
  6. Step 6: Final answer
    x = 275,520.44

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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.