Home / 360,720.23-497,808.57-199,572.66

Finding the Fourth Proportional to 360,720.23, 497,808.57 and 199,572.66

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Solution

The fourth proportional to 360,720.23, 497,808.57 and 199,572.66 is: 275,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,720.23 : 497,808.57 = 199,572.66 : x
  2. Step 2: Convert to fraction form
    360,720.23/497,808.57 = 199,572.66/x
  3. Step 3: Cross multiply
    360,720.23x = 497,808.57 × 199,572.66
  4. Step 4: Simplify right side
    360,720.23x = 99,348,979,367.31
  5. Step 5: Solve for x
    x = 99,348,979,367.31/360,720.23
  6. Step 6: Final answer
    x = 275,418.37

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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.