Home / 367,423.08-551,169.28-142,800.71

Finding the Fourth Proportional to 367,423.08, 551,169.28 and 142,800.71

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Solution

The fourth proportional to 367,423.08, 551,169.28 and 142,800.71 is: 214,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,423.08 : 551,169.28 = 142,800.71 : x
  2. Step 2: Convert to fraction form
    367,423.08/551,169.28 = 142,800.71/x
  3. Step 3: Cross multiply
    367,423.08x = 551,169.28 × 142,800.71
  4. Step 4: Simplify right side
    367,423.08x = 78,707,361,936.84
  5. Step 5: Solve for x
    x = 78,707,361,936.84/367,423.08
  6. Step 6: Final answer
    x = 214,214.53

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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.