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Finding the Fourth Proportional to 359,594.70, 496,240.16 and 198,449.72

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Solution

The fourth proportional to 359,594.70, 496,240.16 and 198,449.72 is: 273,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,594.70 : 496,240.16 = 198,449.72 : x
  2. Step 2: Convert to fraction form
    359,594.70/496,240.16 = 198,449.72/x
  3. Step 3: Cross multiply
    359,594.70x = 496,240.16 × 198,449.72
  4. Step 4: Simplify right side
    359,594.70x = 98,478,720,804.76
  5. Step 5: Solve for x
    x = 98,478,720,804.76/359,594.70
  6. Step 6: Final answer
    x = 273,860.32

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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.