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Finding the Fourth Proportional to 187,327.20, 280,893.60 and 68,937.60

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Solution

The fourth proportional to 187,327.20, 280,893.60 and 68,937.60 is: 103,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,327.20 : 280,893.60 = 68,937.60 : x
  2. Step 2: Convert to fraction form
    187,327.20/280,893.60 = 68,937.60/x
  3. Step 3: Cross multiply
    187,327.20x = 280,893.60 × 68,937.60
  4. Step 4: Simplify right side
    187,327.20x = 19,364,130,639.36
  5. Step 5: Solve for x
    x = 19,364,130,639.36/187,327.20
  6. Step 6: Final answer
    x = 103,370.63

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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.