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Finding the Fourth Proportional to 247,662.66, 341,810.58 and 138,774.36

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Solution

The fourth proportional to 247,662.66, 341,810.58 and 138,774.36 is: 191,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,662.66 : 341,810.58 = 138,774.36 : x
  2. Step 2: Convert to fraction form
    247,662.66/341,810.58 = 138,774.36/x
  3. Step 3: Cross multiply
    247,662.66x = 341,810.58 × 138,774.36
  4. Step 4: Simplify right side
    247,662.66x = 47,434,544,480.73
  5. Step 5: Solve for x
    x = 47,434,544,480.73/247,662.66
  6. Step 6: Final answer
    x = 191,528.85

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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.