Home / 320,824.20-480,717.90-202,283.40

Finding the Fourth Proportional to 320,824.20, 480,717.90 and 202,283.40

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Solution

The fourth proportional to 320,824.20, 480,717.90 and 202,283.40 is: 303,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,824.20 : 480,717.90 = 202,283.40 : x
  2. Step 2: Convert to fraction form
    320,824.20/480,717.90 = 202,283.40/x
  3. Step 3: Cross multiply
    320,824.20x = 480,717.90 × 202,283.40
  4. Step 4: Simplify right side
    320,824.20x = 97,241,251,252.86
  5. Step 5: Solve for x
    x = 97,241,251,252.86/320,824.20
  6. Step 6: Final answer
    x = 303,098.24

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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.