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Finding the Fourth Proportional to 548,654.50, 822,898.58 and 149,326.39

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Solution

The fourth proportional to 548,654.50, 822,898.58 and 149,326.39 is: 223,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,654.50 : 822,898.58 = 149,326.39 : x
  2. Step 2: Convert to fraction form
    548,654.50/822,898.58 = 149,326.39/x
  3. Step 3: Cross multiply
    548,654.50x = 822,898.58 × 149,326.39
  4. Step 4: Simplify right side
    548,654.50x = 122,880,469,426.40
  5. Step 5: Solve for x
    x = 122,880,469,426.40/548,654.50
  6. Step 6: Final answer
    x = 223,966.94

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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.