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Finding the Fourth Proportional to 219,310.10, 328,965.15 and 166,822.10

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Solution

The fourth proportional to 219,310.10, 328,965.15 and 166,822.10 is: 250,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,310.10 : 328,965.15 = 166,822.10 : x
  2. Step 2: Convert to fraction form
    219,310.10/328,965.15 = 166,822.10/x
  3. Step 3: Cross multiply
    219,310.10x = 328,965.15 × 166,822.10
  4. Step 4: Simplify right side
    219,310.10x = 54,878,657,149.82
  5. Step 5: Solve for x
    x = 54,878,657,149.82/219,310.10
  6. Step 6: Final answer
    x = 250,233.15

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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.