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Finding the Fourth Proportional to 161,217.44, 241,822.06 and 42,889.80

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Solution

The fourth proportional to 161,217.44, 241,822.06 and 42,889.80 is: 64,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217.44 : 241,822.06 = 42,889.80 : x
  2. Step 2: Convert to fraction form
    161,217.44/241,822.06 = 42,889.80/x
  3. Step 3: Cross multiply
    161,217.44x = 241,822.06 × 42,889.80
  4. Step 4: Simplify right side
    161,217.44x = 10,371,700,588.60
  5. Step 5: Solve for x
    x = 10,371,700,588.60/161,217.44
  6. Step 6: Final answer
    x = 64,333.61

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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.