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Finding the Fourth Proportional to 338,741.67, 467,463.51 and 187,838.67

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Solution

The fourth proportional to 338,741.67, 467,463.51 and 187,838.67 is: 259,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,741.67 : 467,463.51 = 187,838.67 : x
  2. Step 2: Convert to fraction form
    338,741.67/467,463.51 = 187,838.67/x
  3. Step 3: Cross multiply
    338,741.67x = 467,463.51 × 187,838.67
  4. Step 4: Simplify right side
    338,741.67x = 87,807,725,744.92
  5. Step 5: Solve for x
    x = 87,807,725,744.92/338,741.67
  6. Step 6: Final answer
    x = 259,217.37

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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.