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Finding the Fourth Proportional to 352,264.56, 486,114.12 and 199,291.20

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Solution

The fourth proportional to 352,264.56, 486,114.12 and 199,291.20 is: 275,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,264.56 : 486,114.12 = 199,291.20 : x
  2. Step 2: Convert to fraction form
    352,264.56/486,114.12 = 199,291.20/x
  3. Step 3: Cross multiply
    352,264.56x = 486,114.12 × 199,291.20
  4. Step 4: Simplify right side
    352,264.56x = 96,878,266,311.74
  5. Step 5: Solve for x
    x = 96,878,266,311.74/352,264.56
  6. Step 6: Final answer
    x = 275,015.65

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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.