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Finding the Fourth Proportional to 254,801.80, 382,202.70 and 219,809.80

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Solution

The fourth proportional to 254,801.80, 382,202.70 and 219,809.80 is: 329,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,801.80 : 382,202.70 = 219,809.80 : x
  2. Step 2: Convert to fraction form
    254,801.80/382,202.70 = 219,809.80/x
  3. Step 3: Cross multiply
    254,801.80x = 382,202.70 × 219,809.80
  4. Step 4: Simplify right side
    254,801.80x = 84,011,899,046.46
  5. Step 5: Solve for x
    x = 84,011,899,046.46/254,801.80
  6. Step 6: Final answer
    x = 329,714.70

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1.5x scale

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.