Home / 302,372.82-417,279.96-166,405.50

Finding the Fourth Proportional to 302,372.82, 417,279.96 and 166,405.50

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Solution

The fourth proportional to 302,372.82, 417,279.96 and 166,405.50 is: 229,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,372.82 : 417,279.96 = 166,405.50 : x
  2. Step 2: Convert to fraction form
    302,372.82/417,279.96 = 166,405.50/x
  3. Step 3: Cross multiply
    302,372.82x = 417,279.96 × 166,405.50
  4. Step 4: Simplify right side
    302,372.82x = 69,437,680,383.78
  5. Step 5: Solve for x
    x = 69,437,680,383.78/302,372.82
  6. Step 6: Final answer
    x = 229,642.60

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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.