Home / 383,680.30-575,519.55-103,197.82

Finding the Fourth Proportional to 383,680.30, 575,519.55 and 103,197.82

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Solution

The fourth proportional to 383,680.30, 575,519.55 and 103,197.82 is: 154,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,680.30 : 575,519.55 = 103,197.82 : x
  2. Step 2: Convert to fraction form
    383,680.30/575,519.55 = 103,197.82/x
  3. Step 3: Cross multiply
    383,680.30x = 575,519.55 × 103,197.82
  4. Step 4: Simplify right side
    383,680.30x = 59,392,362,927.38
  5. Step 5: Solve for x
    x = 59,392,362,927.38/383,680.30
  6. Step 6: Final answer
    x = 154,796.49

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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.