Home / 398,630.20-550,088.94-247,723.96

Finding the Fourth Proportional to 398,630.20, 550,088.94 and 247,723.96

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Solution

The fourth proportional to 398,630.20, 550,088.94 and 247,723.96 is: 341,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,630.20 : 550,088.94 = 247,723.96 : x
  2. Step 2: Convert to fraction form
    398,630.20/550,088.94 = 247,723.96/x
  3. Step 3: Cross multiply
    398,630.20x = 550,088.94 × 247,723.96
  4. Step 4: Simplify right side
    398,630.20x = 136,270,210,569.00
  5. Step 5: Solve for x
    x = 136,270,210,569.00/398,630.20
  6. Step 6: Final answer
    x = 341,846.18

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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.