Home / 215,629.80-323,444.70-152,644.20

Finding the Fourth Proportional to 215,629.80, 323,444.70 and 152,644.20

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Solution

The fourth proportional to 215,629.80, 323,444.70 and 152,644.20 is: 228,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,629.80 : 323,444.70 = 152,644.20 : x
  2. Step 2: Convert to fraction form
    215,629.80/323,444.70 = 152,644.20/x
  3. Step 3: Cross multiply
    215,629.80x = 323,444.70 × 152,644.20
  4. Step 4: Simplify right side
    215,629.80x = 49,371,957,475.74
  5. Step 5: Solve for x
    x = 49,371,957,475.74/215,629.80
  6. Step 6: Final answer
    x = 228,966.30

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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.