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Finding the Fourth Proportional to 273,415.70, 410,123.55 and 173,251.10

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Solution

The fourth proportional to 273,415.70, 410,123.55 and 173,251.10 is: 259,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,415.70 : 410,123.55 = 173,251.10 : x
  2. Step 2: Convert to fraction form
    273,415.70/410,123.55 = 173,251.10/x
  3. Step 3: Cross multiply
    273,415.70x = 410,123.55 × 173,251.10
  4. Step 4: Simplify right side
    273,415.70x = 71,054,356,173.41
  5. Step 5: Solve for x
    x = 71,054,356,173.41/273,415.70
  6. Step 6: Final answer
    x = 259,876.65

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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.