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Finding the Fourth Proportional to 195,371.72, 293,058.30 and 47,627.72

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Solution

The fourth proportional to 195,371.72, 293,058.30 and 47,627.72 is: 71,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,371.72 : 293,058.30 = 47,627.72 : x
  2. Step 2: Convert to fraction form
    195,371.72/293,058.30 = 47,627.72/x
  3. Step 3: Cross multiply
    195,371.72x = 293,058.30 × 47,627.72
  4. Step 4: Simplify right side
    195,371.72x = 13,957,698,656.08
  5. Step 5: Solve for x
    x = 13,957,698,656.08/195,371.72
  6. Step 6: Final answer
    x = 71,441.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.