Home / 321,646.92-443,582.10-200,799.36

Finding the Fourth Proportional to 321,646.92, 443,582.10 and 200,799.36

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Solution

The fourth proportional to 321,646.92, 443,582.10 and 200,799.36 is: 276,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,646.92 : 443,582.10 = 200,799.36 : x
  2. Step 2: Convert to fraction form
    321,646.92/443,582.10 = 200,799.36/x
  3. Step 3: Cross multiply
    321,646.92x = 443,582.10 × 200,799.36
  4. Step 4: Simplify right side
    321,646.92x = 89,071,001,787.46
  5. Step 5: Solve for x
    x = 89,071,001,787.46/321,646.92
  6. Step 6: Final answer
    x = 276,921.67

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1.5x scale

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.