Home / 352,219.31-486,062.65-201,319.55

Finding the Fourth Proportional to 352,219.31, 486,062.65 and 201,319.55

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Solution

The fourth proportional to 352,219.31, 486,062.65 and 201,319.55 is: 277,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,219.31 : 486,062.65 = 201,319.55 : x
  2. Step 2: Convert to fraction form
    352,219.31/486,062.65 = 201,319.55/x
  3. Step 3: Cross multiply
    352,219.31x = 486,062.65 × 201,319.55
  4. Step 4: Simplify right side
    352,219.31x = 97,853,913,969.81
  5. Step 5: Solve for x
    x = 97,853,913,969.81/352,219.31
  6. Step 6: Final answer
    x = 277,820.98

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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.