Home / 308,996.58-426,380.04-173,011.62

Finding the Fourth Proportional to 308,996.58, 426,380.04 and 173,011.62

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Solution

The fourth proportional to 308,996.58, 426,380.04 and 173,011.62 is: 238,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,996.58 : 426,380.04 = 173,011.62 : x
  2. Step 2: Convert to fraction form
    308,996.58/426,380.04 = 173,011.62/x
  3. Step 3: Cross multiply
    308,996.58x = 426,380.04 × 173,011.62
  4. Step 4: Simplify right side
    308,996.58x = 73,768,701,456.06
  5. Step 5: Solve for x
    x = 73,768,701,456.06/308,996.58
  6. Step 6: Final answer
    x = 238,736.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.