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Finding the Fourth Proportional to 239,453.74, 330,659.76 and 228,110.50

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Solution

The fourth proportional to 239,453.74, 330,659.76 and 228,110.50 is: 314,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,453.74 : 330,659.76 = 228,110.50 : x
  2. Step 2: Convert to fraction form
    239,453.74/330,659.76 = 228,110.50/x
  3. Step 3: Cross multiply
    239,453.74x = 330,659.76 × 228,110.50
  4. Step 4: Simplify right side
    239,453.74x = 75,426,963,183.48
  5. Step 5: Solve for x
    x = 75,426,963,183.48/239,453.74
  6. Step 6: Final answer
    x = 314,995.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.