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Finding the Fourth Proportional to 230,114.40, 344,588.40 and 219,616.80

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Solution

The fourth proportional to 230,114.40, 344,588.40 and 219,616.80 is: 328,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,114.40 : 344,588.40 = 219,616.80 : x
  2. Step 2: Convert to fraction form
    230,114.40/344,588.40 = 219,616.80/x
  3. Step 3: Cross multiply
    230,114.40x = 344,588.40 × 219,616.80
  4. Step 4: Simplify right side
    230,114.40x = 75,677,401,725.12
  5. Step 5: Solve for x
    x = 75,677,401,725.12/230,114.40
  6. Step 6: Final answer
    x = 328,868.61

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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.