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Finding the Fourth Proportional to 303,247.42, 418,645.33 and 182,415.67

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Solution

The fourth proportional to 303,247.42, 418,645.33 and 182,415.67 is: 251,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,247.42 : 418,645.33 = 182,415.67 : x
  2. Step 2: Convert to fraction form
    303,247.42/418,645.33 = 182,415.67/x
  3. Step 3: Cross multiply
    303,247.42x = 418,645.33 × 182,415.67
  4. Step 4: Simplify right side
    303,247.42x = 76,367,466,861.67
  5. Step 5: Solve for x
    x = 76,367,466,861.67/303,247.42
  6. Step 6: Final answer
    x = 251,832.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.