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Finding the Fourth Proportional to 247,749, 341,899.86 and 134,571.72

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Solution

The fourth proportional to 247,749, 341,899.86 and 134,571.72 is: 185,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,749 : 341,899.86 = 134,571.72 : x
  2. Step 2: Convert to fraction form
    247,749/341,899.86 = 134,571.72/x
  3. Step 3: Cross multiply
    247,749x = 341,899.86 × 134,571.72
  4. Step 4: Simplify right side
    247,749x = 46,010,052,227.96
  5. Step 5: Solve for x
    x = 46,010,052,227.96/247,749
  6. Step 6: Final answer
    x = 185,712.36

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1.5x scale

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.