Home / 399,076.18-598,723.62-199,155.22

Finding the Fourth Proportional to 399,076.18, 598,723.62 and 199,155.22

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Solution

The fourth proportional to 399,076.18, 598,723.62 and 199,155.22 is: 298,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,076.18 : 598,723.62 = 199,155.22 : x
  2. Step 2: Convert to fraction form
    399,076.18/598,723.62 = 199,155.22/x
  3. Step 3: Cross multiply
    399,076.18x = 598,723.62 × 199,155.22
  4. Step 4: Simplify right side
    399,076.18x = 119,238,934,260.30
  5. Step 5: Solve for x
    x = 119,238,934,260.30/399,076.18
  6. Step 6: Final answer
    x = 298,787.40

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1.5x scale

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.