Home / 384,940.20-577,103.10-163,141.80

Finding the Fourth Proportional to 384,940.20, 577,103.10 and 163,141.80

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Solution

The fourth proportional to 384,940.20, 577,103.10 and 163,141.80 is: 244,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,940.20 : 577,103.10 = 163,141.80 : x
  2. Step 2: Convert to fraction form
    384,940.20/577,103.10 = 163,141.80/x
  3. Step 3: Cross multiply
    384,940.20x = 577,103.10 × 163,141.80
  4. Step 4: Simplify right side
    384,940.20x = 94,149,638,519.58
  5. Step 5: Solve for x
    x = 94,149,638,519.58/384,940.20
  6. Step 6: Final answer
    x = 244,582.51

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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.