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Finding the Fourth Proportional to 275,882.80, 413,824.20 and 163,908.40

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Solution

The fourth proportional to 275,882.80, 413,824.20 and 163,908.40 is: 245,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,882.80 : 413,824.20 = 163,908.40 : x
  2. Step 2: Convert to fraction form
    275,882.80/413,824.20 = 163,908.40/x
  3. Step 3: Cross multiply
    275,882.80x = 413,824.20 × 163,908.40
  4. Step 4: Simplify right side
    275,882.80x = 67,829,262,503.28
  5. Step 5: Solve for x
    x = 67,829,262,503.28/275,882.80
  6. Step 6: Final answer
    x = 245,862.60

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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.