Home / 355,863.78-533,849.13-115,899.39

Finding the Fourth Proportional to 355,863.78, 533,849.13 and 115,899.39

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Solution

The fourth proportional to 355,863.78, 533,849.13 and 115,899.39 is: 173,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,863.78 : 533,849.13 = 115,899.39 : x
  2. Step 2: Convert to fraction form
    355,863.78/533,849.13 = 115,899.39/x
  3. Step 3: Cross multiply
    355,863.78x = 533,849.13 × 115,899.39
  4. Step 4: Simplify right side
    355,863.78x = 61,872,788,519.03
  5. Step 5: Solve for x
    x = 61,872,788,519.03/355,863.78
  6. Step 6: Final answer
    x = 173,866.50

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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.