Home / 353,222.71-487,432.50-200,271.19

Finding the Fourth Proportional to 353,222.71, 487,432.50 and 200,271.19

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Solution

The fourth proportional to 353,222.71, 487,432.50 and 200,271.19 is: 276,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,222.71 : 487,432.50 = 200,271.19 : x
  2. Step 2: Convert to fraction form
    353,222.71/487,432.50 = 200,271.19/x
  3. Step 3: Cross multiply
    353,222.71x = 487,432.50 × 200,271.19
  4. Step 4: Simplify right side
    353,222.71x = 97,618,686,819.68
  5. Step 5: Solve for x
    x = 97,618,686,819.68/353,222.71
  6. Step 6: Final answer
    x = 276,365.83

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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.