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Finding the Fourth Proportional to 241,639.40, 362,459.10 and 166,989.80

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Solution

The fourth proportional to 241,639.40, 362,459.10 and 166,989.80 is: 250,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,639.40 : 362,459.10 = 166,989.80 : x
  2. Step 2: Convert to fraction form
    241,639.40/362,459.10 = 166,989.80/x
  3. Step 3: Cross multiply
    241,639.40x = 362,459.10 × 166,989.80
  4. Step 4: Simplify right side
    241,639.40x = 60,526,972,617.18
  5. Step 5: Solve for x
    x = 60,526,972,617.18/241,639.40
  6. Step 6: Final answer
    x = 250,484.70

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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.