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Finding the Fourth Proportional to 359,504.84, 539,257.26 and 122,849.57

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Solution

The fourth proportional to 359,504.84, 539,257.26 and 122,849.57 is: 184,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,504.84 : 539,257.26 = 122,849.57 : x
  2. Step 2: Convert to fraction form
    359,504.84/539,257.26 = 122,849.57/x
  3. Step 3: Cross multiply
    359,504.84x = 539,257.26 × 122,849.57
  4. Step 4: Simplify right side
    359,504.84x = 66,247,519,814.09
  5. Step 5: Solve for x
    x = 66,247,519,814.09/359,504.84
  6. Step 6: Final answer
    x = 184,274.35

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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.