Home / 247,828.78-341,999.50-134,650.72

Finding the Fourth Proportional to 247,828.78, 341,999.50 and 134,650.72

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Solution

The fourth proportional to 247,828.78, 341,999.50 and 134,650.72 is: 185,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,828.78 : 341,999.50 = 134,650.72 : x
  2. Step 2: Convert to fraction form
    247,828.78/341,999.50 = 134,650.72/x
  3. Step 3: Cross multiply
    247,828.78x = 341,999.50 × 134,650.72
  4. Step 4: Simplify right side
    247,828.78x = 46,050,478,914.64
  5. Step 5: Solve for x
    x = 46,050,478,914.64/247,828.78
  6. Step 6: Final answer
    x = 185,815.70

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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.