Home / 247,823.78-341,992.60-134,645.72

Finding the Fourth Proportional to 247,823.78, 341,992.60 and 134,645.72

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Solution

The fourth proportional to 247,823.78, 341,992.60 and 134,645.72 is: 185,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,823.78 : 341,992.60 = 134,645.72 : x
  2. Step 2: Convert to fraction form
    247,823.78/341,992.60 = 134,645.72/x
  3. Step 3: Cross multiply
    247,823.78x = 341,992.60 × 134,645.72
  4. Step 4: Simplify right side
    247,823.78x = 46,047,837,815.09
  5. Step 5: Solve for x
    x = 46,047,837,815.09/247,823.78
  6. Step 6: Final answer
    x = 185,808.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.