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Finding the Fourth Proportional to 359,655.39, 496,323.38 and 198,509.33

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Solution

The fourth proportional to 359,655.39, 496,323.38 and 198,509.33 is: 273,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,655.39 : 496,323.38 = 198,509.33 : x
  2. Step 2: Convert to fraction form
    359,655.39/496,323.38 = 198,509.33/x
  3. Step 3: Cross multiply
    359,655.39x = 496,323.38 × 198,509.33
  4. Step 4: Simplify right side
    359,655.39x = 98,524,823,364.22
  5. Step 5: Solve for x
    x = 98,524,823,364.22/359,655.39
  6. Step 6: Final answer
    x = 273,942.30

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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.