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Finding the Fourth Proportional to 247,607.99, 371,079.38 and 135,119.64

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Solution

The fourth proportional to 247,607.99, 371,079.38 and 135,119.64 is: 202,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,607.99 : 371,079.38 = 135,119.64 : x
  2. Step 2: Convert to fraction form
    247,607.99/371,079.38 = 135,119.64/x
  3. Step 3: Cross multiply
    247,607.99x = 371,079.38 × 135,119.64
  4. Step 4: Simplify right side
    247,607.99x = 50,140,113,206.32
  5. Step 5: Solve for x
    x = 50,140,113,206.32/247,607.99
  6. Step 6: Final answer
    x = 202,497.96

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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.