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Finding the Fourth Proportional to 175,847.76, 263,767.95 and 42,728.67

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Solution

The fourth proportional to 175,847.76, 263,767.95 and 42,728.67 is: 64,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,847.76 : 263,767.95 = 42,728.67 : x
  2. Step 2: Convert to fraction form
    175,847.76/263,767.95 = 42,728.67/x
  3. Step 3: Cross multiply
    175,847.76x = 263,767.95 × 42,728.67
  4. Step 4: Simplify right side
    175,847.76x = 11,270,453,692.13
  5. Step 5: Solve for x
    x = 11,270,453,692.13/175,847.76
  6. Step 6: Final answer
    x = 64,092.11

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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.