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Finding the Fourth Proportional to 243,071.94, 335,439.34 and 134,176.34

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Solution

The fourth proportional to 243,071.94, 335,439.34 and 134,176.34 is: 185,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,071.94 : 335,439.34 = 134,176.34 : x
  2. Step 2: Convert to fraction form
    243,071.94/335,439.34 = 134,176.34/x
  3. Step 3: Cross multiply
    243,071.94x = 335,439.34 × 134,176.34
  4. Step 4: Simplify right side
    243,071.94x = 45,008,023,520.24
  5. Step 5: Solve for x
    x = 45,008,023,520.24/243,071.94
  6. Step 6: Final answer
    x = 185,163.39

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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.