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Finding the Fourth Proportional to 359,821.10, 539,637.46 and 107,033.54

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Solution

The fourth proportional to 359,821.10, 539,637.46 and 107,033.54 is: 160,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,821.10 : 539,637.46 = 107,033.54 : x
  2. Step 2: Convert to fraction form
    359,821.10/539,637.46 = 107,033.54/x
  3. Step 3: Cross multiply
    359,821.10x = 539,637.46 × 107,033.54
  4. Step 4: Simplify right side
    359,821.10x = 57,759,304,694.64
  5. Step 5: Solve for x
    x = 57,759,304,694.64/359,821.10
  6. Step 6: Final answer
    x = 160,522.28

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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.