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Finding the Fourth Proportional to 227,728.20, 341,300.70 and 174,875.70

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Solution

The fourth proportional to 227,728.20, 341,300.70 and 174,875.70 is: 262,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,728.20 : 341,300.70 = 174,875.70 : x
  2. Step 2: Convert to fraction form
    227,728.20/341,300.70 = 174,875.70/x
  3. Step 3: Cross multiply
    227,728.20x = 341,300.70 × 174,875.70
  4. Step 4: Simplify right side
    227,728.20x = 59,685,198,822.99
  5. Step 5: Solve for x
    x = 59,685,198,822.99/227,728.20
  6. Step 6: Final answer
    x = 262,089.63

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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.