Home / 383,729.10-575,265.42-147,241.50

Finding the Fourth Proportional to 383,729.10, 575,265.42 and 147,241.50

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Solution

The fourth proportional to 383,729.10, 575,265.42 and 147,241.50 is: 220,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,729.10 : 575,265.42 = 147,241.50 : x
  2. Step 2: Convert to fraction form
    383,729.10/575,265.42 = 147,241.50/x
  3. Step 3: Cross multiply
    383,729.10x = 575,265.42 × 147,241.50
  4. Step 4: Simplify right side
    383,729.10x = 84,702,943,338.93
  5. Step 5: Solve for x
    x = 84,702,943,338.93/383,729.10
  6. Step 6: Final answer
    x = 220,736.30

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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.