Home / 355,046.64-489,961.04-193,901.18

Finding the Fourth Proportional to 355,046.64, 489,961.04 and 193,901.18

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Solution

The fourth proportional to 355,046.64, 489,961.04 and 193,901.18 is: 267,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,046.64 : 489,961.04 = 193,901.18 : x
  2. Step 2: Convert to fraction form
    355,046.64/489,961.04 = 193,901.18/x
  3. Step 3: Cross multiply
    355,046.64x = 489,961.04 × 193,901.18
  4. Step 4: Simplify right side
    355,046.64x = 95,004,023,810.03
  5. Step 5: Solve for x
    x = 95,004,023,810.03/355,046.64
  6. Step 6: Final answer
    x = 267,581.81

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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.