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Finding the Fourth Proportional to 248,865.70, 373,298.55 and 225,537.70

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Solution

The fourth proportional to 248,865.70, 373,298.55 and 225,537.70 is: 338,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,865.70 : 373,298.55 = 225,537.70 : x
  2. Step 2: Convert to fraction form
    248,865.70/373,298.55 = 225,537.70/x
  3. Step 3: Cross multiply
    248,865.70x = 373,298.55 × 225,537.70
  4. Step 4: Simplify right side
    248,865.70x = 84,192,896,380.34
  5. Step 5: Solve for x
    x = 84,192,896,380.34/248,865.70
  6. Step 6: Final answer
    x = 338,306.55

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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.