Home / 302,918.72-418,010.78-166,952.26

Finding the Fourth Proportional to 302,918.72, 418,010.78 and 166,952.26

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Solution

The fourth proportional to 302,918.72, 418,010.78 and 166,952.26 is: 230,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,918.72 : 418,010.78 = 166,952.26 : x
  2. Step 2: Convert to fraction form
    302,918.72/418,010.78 = 166,952.26/x
  3. Step 3: Cross multiply
    302,918.72x = 418,010.78 × 166,952.26
  4. Step 4: Simplify right side
    302,918.72x = 69,787,842,335.31
  5. Step 5: Solve for x
    x = 69,787,842,335.31/302,918.72
  6. Step 6: Final answer
    x = 230,384.71

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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.