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Finding the Fourth Proportional to 537,354.40, 806,076.72 and 163,380.64

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Solution

The fourth proportional to 537,354.40, 806,076.72 and 163,380.64 is: 245,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,354.40 : 806,076.72 = 163,380.64 : x
  2. Step 2: Convert to fraction form
    537,354.40/806,076.72 = 163,380.64/x
  3. Step 3: Cross multiply
    537,354.40x = 806,076.72 × 163,380.64
  4. Step 4: Simplify right side
    537,354.40x = 131,697,330,402.70
  5. Step 5: Solve for x
    x = 131,697,330,402.70/537,354.40
  6. Step 6: Final answer
    x = 245,084.68

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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.