Home / 578,161.28-867,026.46-198,975.98

Finding the Fourth Proportional to 578,161.28, 867,026.46 and 198,975.98

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Solution

The fourth proportional to 578,161.28, 867,026.46 and 198,975.98 is: 298,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,161.28 : 867,026.46 = 198,975.98 : x
  2. Step 2: Convert to fraction form
    578,161.28/867,026.46 = 198,975.98/x
  3. Step 3: Cross multiply
    578,161.28x = 867,026.46 × 198,975.98
  4. Step 4: Simplify right side
    578,161.28x = 172,517,439,564.43
  5. Step 5: Solve for x
    x = 172,517,439,564.43/578,161.28
  6. Step 6: Final answer
    x = 298,389.82

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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.