Home / 383,971.62-575,918.54-103,517.22

Finding the Fourth Proportional to 383,971.62, 575,918.54 and 103,517.22

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Solution

The fourth proportional to 383,971.62, 575,918.54 and 103,517.22 is: 155,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,971.62 : 575,918.54 = 103,517.22 : x
  2. Step 2: Convert to fraction form
    383,971.62/575,918.54 = 103,517.22/x
  3. Step 3: Cross multiply
    383,971.62x = 575,918.54 × 103,517.22
  4. Step 4: Simplify right side
    383,971.62x = 59,617,486,207.26
  5. Step 5: Solve for x
    x = 59,617,486,207.26/383,971.62
  6. Step 6: Final answer
    x = 155,265.35

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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.