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Finding the Fourth Proportional to 247,578, 341,656.80 and 134,399.94

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Solution

The fourth proportional to 247,578, 341,656.80 and 134,399.94 is: 185,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,578 : 341,656.80 = 134,399.94 : x
  2. Step 2: Convert to fraction form
    247,578/341,656.80 = 134,399.94/x
  3. Step 3: Cross multiply
    247,578x = 341,656.80 × 134,399.94
  4. Step 4: Simplify right side
    247,578x = 45,918,653,420.59
  5. Step 5: Solve for x
    x = 45,918,653,420.59/247,578
  6. Step 6: Final answer
    x = 185,471.46

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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.