Home / 808,217.20-1,212,281.85-247,251.70

Finding the Fourth Proportional to 808,217.20, 1,212,281.85 and 247,251.70

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Solution

The fourth proportional to 808,217.20, 1,212,281.85 and 247,251.70 is: 370,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,217.20 : 1,212,281.85 = 247,251.70 : x
  2. Step 2: Convert to fraction form
    808,217.20/1,212,281.85 = 247,251.70/x
  3. Step 3: Cross multiply
    808,217.20x = 1,212,281.85 × 247,251.70
  4. Step 4: Simplify right side
    808,217.20x = 299,738,748,291.65
  5. Step 5: Solve for x
    x = 299,738,748,291.65/808,217.20
  6. Step 6: Final answer
    x = 370,864.10

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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.