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Finding the Fourth Proportional to 182,142.40, 273,213.60 and 171,061.60

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Solution

The fourth proportional to 182,142.40, 273,213.60 and 171,061.60 is: 256,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,142.40 : 273,213.60 = 171,061.60 : x
  2. Step 2: Convert to fraction form
    182,142.40/273,213.60 = 171,061.60/x
  3. Step 3: Cross multiply
    182,142.40x = 273,213.60 × 171,061.60
  4. Step 4: Simplify right side
    182,142.40x = 46,736,355,557.76
  5. Step 5: Solve for x
    x = 46,736,355,557.76/182,142.40
  6. Step 6: Final answer
    x = 256,592.40

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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.