Home / 442,208.22-663,247.53-217,508.34

Finding the Fourth Proportional to 442,208.22, 663,247.53 and 217,508.34

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Solution

The fourth proportional to 442,208.22, 663,247.53 and 217,508.34 is: 326,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,208.22 : 663,247.53 = 217,508.34 : x
  2. Step 2: Convert to fraction form
    442,208.22/663,247.53 = 217,508.34/x
  3. Step 3: Cross multiply
    442,208.22x = 663,247.53 × 217,508.34
  4. Step 4: Simplify right side
    442,208.22x = 144,261,869,259.40
  5. Step 5: Solve for x
    x = 144,261,869,259.40/442,208.22
  6. Step 6: Final answer
    x = 326,230.64

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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.