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Finding the Fourth Proportional to 180,999.60, 271,499.40 and 164,378.40

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Solution

The fourth proportional to 180,999.60, 271,499.40 and 164,378.40 is: 246,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,999.60 : 271,499.40 = 164,378.40 : x
  2. Step 2: Convert to fraction form
    180,999.60/271,499.40 = 164,378.40/x
  3. Step 3: Cross multiply
    180,999.60x = 271,499.40 × 164,378.40
  4. Step 4: Simplify right side
    180,999.60x = 44,628,636,972.96
  5. Step 5: Solve for x
    x = 44,628,636,972.96/180,999.60
  6. Step 6: Final answer
    x = 246,567.60

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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.