Home / 360,450.12-497,401.08-199,295.48

Finding the Fourth Proportional to 360,450.12, 497,401.08 and 199,295.48

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Solution

The fourth proportional to 360,450.12, 497,401.08 and 199,295.48 is: 275,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,450.12 : 497,401.08 = 199,295.48 : x
  2. Step 2: Convert to fraction form
    360,450.12/497,401.08 = 199,295.48/x
  3. Step 3: Cross multiply
    360,450.12x = 497,401.08 × 199,295.48
  4. Step 4: Simplify right side
    360,450.12x = 99,129,786,991.12
  5. Step 5: Solve for x
    x = 99,129,786,991.12/360,450.12
  6. Step 6: Final answer
    x = 275,016.66

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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.