Home / 253,239.58-379,719.12-103,584.94

Finding the Fourth Proportional to 253,239.58, 379,719.12 and 103,584.94

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Solution

The fourth proportional to 253,239.58, 379,719.12 and 103,584.94 is: 155,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,239.58 : 379,719.12 = 103,584.94 : x
  2. Step 2: Convert to fraction form
    253,239.58/379,719.12 = 103,584.94/x
  3. Step 3: Cross multiply
    253,239.58x = 379,719.12 × 103,584.94
  4. Step 4: Simplify right side
    253,239.58x = 39,333,182,262.05
  5. Step 5: Solve for x
    x = 39,333,182,262.05/253,239.58
  6. Step 6: Final answer
    x = 155,320.04

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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.