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Finding the Fourth Proportional to 247,875.96, 342,069.30 and 134,698.44

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Solution

The fourth proportional to 247,875.96, 342,069.30 and 134,698.44 is: 185,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,875.96 : 342,069.30 = 134,698.44 : x
  2. Step 2: Convert to fraction form
    247,875.96/342,069.30 = 134,698.44/x
  3. Step 3: Cross multiply
    247,875.96x = 342,069.30 × 134,698.44
  4. Step 4: Simplify right side
    247,875.96x = 46,076,201,081.89
  5. Step 5: Solve for x
    x = 46,076,201,081.89/247,875.96
  6. Step 6: Final answer
    x = 185,884.11

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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.