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Finding the Fourth Proportional to 247,365.95, 371,064.30 and 89,595.77

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Solution

The fourth proportional to 247,365.95, 371,064.30 and 89,595.77 is: 134,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,365.95 : 371,064.30 = 89,595.77 : x
  2. Step 2: Convert to fraction form
    247,365.95/371,064.30 = 89,595.77/x
  3. Step 3: Cross multiply
    247,365.95x = 371,064.30 × 89,595.77
  4. Step 4: Simplify right side
    247,365.95x = 33,245,789,822.69
  5. Step 5: Solve for x
    x = 33,245,789,822.69/247,365.95
  6. Step 6: Final answer
    x = 134,399.22

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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.