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Finding the Fourth Proportional to 359,656.83, 496,325.48 and 198,510.78

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Solution

The fourth proportional to 359,656.83, 496,325.48 and 198,510.78 is: 273,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,656.83 : 496,325.48 = 198,510.78 : x
  2. Step 2: Convert to fraction form
    359,656.83/496,325.48 = 198,510.78/x
  3. Step 3: Cross multiply
    359,656.83x = 496,325.48 × 198,510.78
  4. Step 4: Simplify right side
    359,656.83x = 98,525,954,849.59
  5. Step 5: Solve for x
    x = 98,525,954,849.59/359,656.83
  6. Step 6: Final answer
    x = 273,944.34

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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.