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Finding the Fourth Proportional to 231,848.80, 348,550.80 and 197,634.40

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Solution

The fourth proportional to 231,848.80, 348,550.80 and 197,634.40 is: 297,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,848.80 : 348,550.80 = 197,634.40 : x
  2. Step 2: Convert to fraction form
    231,848.80/348,550.80 = 197,634.40/x
  3. Step 3: Cross multiply
    231,848.80x = 348,550.80 × 197,634.40
  4. Step 4: Simplify right side
    231,848.80x = 68,885,628,227.52
  5. Step 5: Solve for x
    x = 68,885,628,227.52/231,848.80
  6. Step 6: Final answer
    x = 297,114.45

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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.