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Finding the Fourth Proportional to 537,880.80, 806,821.20 and 163,922.40

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Solution

The fourth proportional to 537,880.80, 806,821.20 and 163,922.40 is: 245,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,880.80 : 806,821.20 = 163,922.40 : x
  2. Step 2: Convert to fraction form
    537,880.80/806,821.20 = 163,922.40/x
  3. Step 3: Cross multiply
    537,880.80x = 806,821.20 × 163,922.40
  4. Step 4: Simplify right side
    537,880.80x = 132,256,067,474.88
  5. Step 5: Solve for x
    x = 132,256,067,474.88/537,880.80
  6. Step 6: Final answer
    x = 245,883.60

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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.