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Finding the Fourth Proportional to 303,535.69, 418,868.23 and 167,566.70

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Solution

The fourth proportional to 303,535.69, 418,868.23 and 167,566.70 is: 231,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,535.69 : 418,868.23 = 167,566.70 : x
  2. Step 2: Convert to fraction form
    303,535.69/418,868.23 = 167,566.70/x
  3. Step 3: Cross multiply
    303,535.69x = 418,868.23 × 167,566.70
  4. Step 4: Simplify right side
    303,535.69x = 70,188,367,035.94
  5. Step 5: Solve for x
    x = 70,188,367,035.94/303,535.69
  6. Step 6: Final answer
    x = 231,235.96

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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.