Home / 300,996.06-415,358.68-171,909.16

Finding the Fourth Proportional to 300,996.06, 415,358.68 and 171,909.16

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Solution

The fourth proportional to 300,996.06, 415,358.68 and 171,909.16 is: 237,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,996.06 : 415,358.68 = 171,909.16 : x
  2. Step 2: Convert to fraction form
    300,996.06/415,358.68 = 171,909.16/x
  3. Step 3: Cross multiply
    300,996.06x = 415,358.68 × 171,909.16
  4. Step 4: Simplify right side
    300,996.06x = 71,403,961,777.51
  5. Step 5: Solve for x
    x = 71,403,961,777.51/300,996.06
  6. Step 6: Final answer
    x = 237,225.57

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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.