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Finding the Fourth Proportional to 537,630.80, 806,446.20 and 163,653.20

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Solution

The fourth proportional to 537,630.80, 806,446.20 and 163,653.20 is: 245,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,630.80 : 806,446.20 = 163,653.20 : x
  2. Step 2: Convert to fraction form
    537,630.80/806,446.20 = 163,653.20/x
  3. Step 3: Cross multiply
    537,630.80x = 806,446.20 × 163,653.20
  4. Step 4: Simplify right side
    537,630.80x = 131,977,501,257.84
  5. Step 5: Solve for x
    x = 131,977,501,257.84/537,630.80
  6. Step 6: Final answer
    x = 245,479.80

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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.