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Finding the Fourth Proportional to 359,583.87, 539,616.60 and 149,222.01

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Solution

The fourth proportional to 359,583.87, 539,616.60 and 149,222.01 is: 223,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,583.87 : 539,616.60 = 149,222.01 : x
  2. Step 2: Convert to fraction form
    359,583.87/539,616.60 = 149,222.01/x
  3. Step 3: Cross multiply
    359,583.87x = 539,616.60 × 149,222.01
  4. Step 4: Simplify right side
    359,583.87x = 80,522,673,681.37
  5. Step 5: Solve for x
    x = 80,522,673,681.37/359,583.87
  6. Step 6: Final answer
    x = 223,932.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.