Home / 247,377.08-341,351.54-138,487.36

Finding the Fourth Proportional to 247,377.08, 341,351.54 and 138,487.36

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Solution

The fourth proportional to 247,377.08, 341,351.54 and 138,487.36 is: 191,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,377.08 : 341,351.54 = 138,487.36 : x
  2. Step 2: Convert to fraction form
    247,377.08/341,351.54 = 138,487.36/x
  3. Step 3: Cross multiply
    247,377.08x = 341,351.54 × 138,487.36
  4. Step 4: Simplify right side
    247,377.08x = 47,272,873,606.53
  5. Step 5: Solve for x
    x = 47,272,873,606.53/247,377.08
  6. Step 6: Final answer
    x = 191,096.42

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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.