Home / 199,319.90-298,979.85-197,246.30

Finding the Fourth Proportional to 199,319.90, 298,979.85 and 197,246.30

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Solution

The fourth proportional to 199,319.90, 298,979.85 and 197,246.30 is: 295,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,319.90 : 298,979.85 = 197,246.30 : x
  2. Step 2: Convert to fraction form
    199,319.90/298,979.85 = 197,246.30/x
  3. Step 3: Cross multiply
    199,319.90x = 298,979.85 × 197,246.30
  4. Step 4: Simplify right side
    199,319.90x = 58,972,669,187.06
  5. Step 5: Solve for x
    x = 58,972,669,187.06/199,319.90
  6. Step 6: Final answer
    x = 295,869.45

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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.