Home / 302,514.18-417,453.72-166,521.57

Finding the Fourth Proportional to 302,514.18, 417,453.72 and 166,521.57

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Solution

The fourth proportional to 302,514.18, 417,453.72 and 166,521.57 is: 229,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,514.18 : 417,453.72 = 166,521.57 : x
  2. Step 2: Convert to fraction form
    302,514.18/417,453.72 = 166,521.57/x
  3. Step 3: Cross multiply
    302,514.18x = 417,453.72 × 166,521.57
  4. Step 4: Simplify right side
    302,514.18x = 69,515,048,856.74
  5. Step 5: Solve for x
    x = 69,515,048,856.74/302,514.18
  6. Step 6: Final answer
    x = 229,791.04

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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.