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Finding the Fourth Proportional to 383,681.67, 575,575.02 and 130,894.29

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Solution

The fourth proportional to 383,681.67, 575,575.02 and 130,894.29 is: 196,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,681.67 : 575,575.02 = 130,894.29 : x
  2. Step 2: Convert to fraction form
    383,681.67/575,575.02 = 130,894.29/x
  3. Step 3: Cross multiply
    383,681.67x = 575,575.02 × 130,894.29
  4. Step 4: Simplify right side
    383,681.67x = 75,339,483,584.64
  5. Step 5: Solve for x
    x = 75,339,483,584.64/383,681.67
  6. Step 6: Final answer
    x = 196,359.35

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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.