Home / 378,215.20-566,557.35-235,622.80

Finding the Fourth Proportional to 378,215.20, 566,557.35 and 235,622.80

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Solution

The fourth proportional to 378,215.20, 566,557.35 and 235,622.80 is: 352,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,215.20 : 566,557.35 = 235,622.80 : x
  2. Step 2: Convert to fraction form
    378,215.20/566,557.35 = 235,622.80/x
  3. Step 3: Cross multiply
    378,215.20x = 566,557.35 × 235,622.80
  4. Step 4: Simplify right side
    378,215.20x = 133,493,829,167.58
  5. Step 5: Solve for x
    x = 133,493,829,167.58/378,215.20
  6. Step 6: Final answer
    x = 352,957.34

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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.