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Finding the Fourth Proportional to 359,458.93, 496,049.90 and 198,315.28

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Solution

The fourth proportional to 359,458.93, 496,049.90 and 198,315.28 is: 273,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,458.93 : 496,049.90 = 198,315.28 : x
  2. Step 2: Convert to fraction form
    359,458.93/496,049.90 = 198,315.28/x
  3. Step 3: Cross multiply
    359,458.93x = 496,049.90 × 198,315.28
  4. Step 4: Simplify right side
    359,458.93x = 98,374,274,812.47
  5. Step 5: Solve for x
    x = 98,374,274,812.47/359,458.93
  6. Step 6: Final answer
    x = 273,673.20

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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.