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Finding the Fourth Proportional to 161,238.28, 241,857.08 and 42,909.64

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Solution

The fourth proportional to 161,238.28, 241,857.08 and 42,909.64 is: 64,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,238.28 : 241,857.08 = 42,909.64 : x
  2. Step 2: Convert to fraction form
    161,238.28/241,857.08 = 42,909.64/x
  3. Step 3: Cross multiply
    161,238.28x = 241,857.08 × 42,909.64
  4. Step 4: Simplify right side
    161,238.28x = 10,378,000,234.25
  5. Step 5: Solve for x
    x = 10,378,000,234.25/161,238.28
  6. Step 6: Final answer
    x = 64,364.37

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1.5x scale

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.