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Finding the Fourth Proportional to 359,369.64, 539,111.40 and 119,492.44

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Solution

The fourth proportional to 359,369.64, 539,111.40 and 119,492.44 is: 179,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,369.64 : 539,111.40 = 119,492.44 : x
  2. Step 2: Convert to fraction form
    359,369.64/539,111.40 = 119,492.44/x
  3. Step 3: Cross multiply
    359,369.64x = 539,111.40 × 119,492.44
  4. Step 4: Simplify right side
    359,369.64x = 64,419,736,617.82
  5. Step 5: Solve for x
    x = 64,419,736,617.82/359,369.64
  6. Step 6: Final answer
    x = 179,257.59

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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.