Home / 245,714.85-368,572.05-68,221.80

Finding the Fourth Proportional to 245,714.85, 368,572.05 and 68,221.80

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Solution

The fourth proportional to 245,714.85, 368,572.05 and 68,221.80 is: 102,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,714.85 : 368,572.05 = 68,221.80 : x
  2. Step 2: Convert to fraction form
    245,714.85/368,572.05 = 68,221.80/x
  3. Step 3: Cross multiply
    245,714.85x = 368,572.05 × 68,221.80
  4. Step 4: Simplify right side
    245,714.85x = 25,144,648,680.69
  5. Step 5: Solve for x
    x = 25,144,648,680.69/245,714.85
  6. Step 6: Final answer
    x = 102,332.64

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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.