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Finding the Fourth Proportional to 359,858, 539,787 and 110,540

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Solution

The fourth proportional to 359,858, 539,787 and 110,540 is: 165,810

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,858 : 539,787 = 110,540 : x
  2. Step 2: Convert to fraction form
    359,858/539,787 = 110,540/x
  3. Step 3: Cross multiply
    359,858x = 539,787 × 110,540
  4. Step 4: Simplify right side
    359,858x = 59,668,054,980
  5. Step 5: Solve for x
    x = 59,668,054,980/359,858
  6. Step 6: Final answer
    x = 165,810

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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.