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Finding the Fourth Proportional to 359,789.04, 496,505.70 and 198,640.67

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Solution

The fourth proportional to 359,789.04, 496,505.70 and 198,640.67 is: 274,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,789.04 : 496,505.70 = 198,640.67 : x
  2. Step 2: Convert to fraction form
    359,789.04/496,505.70 = 198,640.67/x
  3. Step 3: Cross multiply
    359,789.04x = 496,505.70 × 198,640.67
  4. Step 4: Simplify right side
    359,789.04x = 98,626,222,424.29
  5. Step 5: Solve for x
    x = 98,626,222,424.29/359,789.04
  6. Step 6: Final answer
    x = 274,122.36

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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.