Home / 205,313.10-308,200.05-158,772.30

Finding the Fourth Proportional to 205,313.10, 308,200.05 and 158,772.30

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Solution

The fourth proportional to 205,313.10, 308,200.05 and 158,772.30 is: 238,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,313.10 : 308,200.05 = 158,772.30 : x
  2. Step 2: Convert to fraction form
    205,313.10/308,200.05 = 158,772.30/x
  3. Step 3: Cross multiply
    205,313.10x = 308,200.05 × 158,772.30
  4. Step 4: Simplify right side
    205,313.10x = 48,933,630,798.62
  5. Step 5: Solve for x
    x = 48,933,630,798.62/205,313.10
  6. Step 6: Final answer
    x = 238,336.62

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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.