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Finding the Fourth Proportional to 262,383.60, 392,700.60 and 230,890.80

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Solution

The fourth proportional to 262,383.60, 392,700.60 and 230,890.80 is: 345,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,383.60 : 392,700.60 = 230,890.80 : x
  2. Step 2: Convert to fraction form
    262,383.60/392,700.60 = 230,890.80/x
  3. Step 3: Cross multiply
    262,383.60x = 392,700.60 × 230,890.80
  4. Step 4: Simplify right side
    262,383.60x = 90,670,955,694.48
  5. Step 5: Solve for x
    x = 90,670,955,694.48/262,383.60
  6. Step 6: Final answer
    x = 345,566.40

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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.