Home / 360,820.20-497,932.84-199,686.36

Finding the Fourth Proportional to 360,820.20, 497,932.84 and 199,686.36

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Solution

The fourth proportional to 360,820.20, 497,932.84 and 199,686.36 is: 275,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,820.20 : 497,932.84 = 199,686.36 : x
  2. Step 2: Convert to fraction form
    360,820.20/497,932.84 = 199,686.36/x
  3. Step 3: Cross multiply
    360,820.20x = 497,932.84 × 199,686.36
  4. Step 4: Simplify right side
    360,820.20x = 99,430,393,355.18
  5. Step 5: Solve for x
    x = 99,430,393,355.18/360,820.20
  6. Step 6: Final answer
    x = 275,567.71

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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.