Home / 303,943.10-455,258.55-197,654.90

Finding the Fourth Proportional to 303,943.10, 455,258.55 and 197,654.90

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Solution

The fourth proportional to 303,943.10, 455,258.55 and 197,654.90 is: 296,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,943.10 : 455,258.55 = 197,654.90 : x
  2. Step 2: Convert to fraction form
    303,943.10/455,258.55 = 197,654.90/x
  3. Step 3: Cross multiply
    303,943.10x = 455,258.55 × 197,654.90
  4. Step 4: Simplify right side
    303,943.10x = 89,984,083,174.40
  5. Step 5: Solve for x
    x = 89,984,083,174.40/303,943.10
  6. Step 6: Final answer
    x = 296,055.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.