Home / 360,454.08-497,462.92-199,321.28

Finding the Fourth Proportional to 360,454.08, 497,462.92 and 199,321.28

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Solution

The fourth proportional to 360,454.08, 497,462.92 and 199,321.28 is: 275,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,454.08 : 497,462.92 = 199,321.28 : x
  2. Step 2: Convert to fraction form
    360,454.08/497,462.92 = 199,321.28/x
  3. Step 3: Cross multiply
    360,454.08x = 497,462.92 × 199,321.28
  4. Step 4: Simplify right side
    360,454.08x = 99,154,945,966.94
  5. Step 5: Solve for x
    x = 99,154,945,966.94/360,454.08
  6. Step 6: Final answer
    x = 275,083.43

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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.