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Finding the Fourth Proportional to 359,447.52, 496,039.23 and 198,302.51

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Solution

The fourth proportional to 359,447.52, 496,039.23 and 198,302.51 is: 273,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,447.52 : 496,039.23 = 198,302.51 : x
  2. Step 2: Convert to fraction form
    359,447.52/496,039.23 = 198,302.51/x
  3. Step 3: Cross multiply
    359,447.52x = 496,039.23 × 198,302.51
  4. Step 4: Simplify right side
    359,447.52x = 98,365,820,895.76
  5. Step 5: Solve for x
    x = 98,365,820,895.76/359,447.52
  6. Step 6: Final answer
    x = 273,658.37

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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.