Home / 302,918.22-418,010.09-166,951.76

Finding the Fourth Proportional to 302,918.22, 418,010.09 and 166,951.76

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Solution

The fourth proportional to 302,918.22, 418,010.09 and 166,951.76 is: 230,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,918.22 : 418,010.09 = 166,951.76 : x
  2. Step 2: Convert to fraction form
    302,918.22/418,010.09 = 166,951.76/x
  3. Step 3: Cross multiply
    302,918.22x = 418,010.09 × 166,951.76
  4. Step 4: Simplify right side
    302,918.22x = 69,787,518,550.59
  5. Step 5: Solve for x
    x = 69,787,518,550.59/302,918.22
  6. Step 6: Final answer
    x = 230,384.02

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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.