Home / 221,002.10-330,725.55-202,339.70

Finding the Fourth Proportional to 221,002.10, 330,725.55 and 202,339.70

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Solution

The fourth proportional to 221,002.10, 330,725.55 and 202,339.70 is: 302,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,002.10 : 330,725.55 = 202,339.70 : x
  2. Step 2: Convert to fraction form
    221,002.10/330,725.55 = 202,339.70/x
  3. Step 3: Cross multiply
    221,002.10x = 330,725.55 × 202,339.70
  4. Step 4: Simplify right side
    221,002.10x = 66,918,908,569.34
  5. Step 5: Solve for x
    x = 66,918,908,569.34/221,002.10
  6. Step 6: Final answer
    x = 302,797.61

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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.