Home / 352,401.72-486,314.19-199,437.15

Finding the Fourth Proportional to 352,401.72, 486,314.19 and 199,437.15

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Solution

The fourth proportional to 352,401.72, 486,314.19 and 199,437.15 is: 275,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,401.72 : 486,314.19 = 199,437.15 : x
  2. Step 2: Convert to fraction form
    352,401.72/486,314.19 = 199,437.15/x
  3. Step 3: Cross multiply
    352,401.72x = 486,314.19 × 199,437.15
  4. Step 4: Simplify right side
    352,401.72x = 96,989,116,058.16
  5. Step 5: Solve for x
    x = 96,989,116,058.16/352,401.72
  6. Step 6: Final answer
    x = 275,223.16

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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.