Home / 291,134.39-401,768.67-160,326.73

Finding the Fourth Proportional to 291,134.39, 401,768.67 and 160,326.73

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Solution

The fourth proportional to 291,134.39, 401,768.67 and 160,326.73 is: 221,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,134.39 : 401,768.67 = 160,326.73 : x
  2. Step 2: Convert to fraction form
    291,134.39/401,768.67 = 160,326.73/x
  3. Step 3: Cross multiply
    291,134.39x = 401,768.67 × 160,326.73
  4. Step 4: Simplify right side
    291,134.39x = 64,414,254,267.07
  5. Step 5: Solve for x
    x = 64,414,254,267.07/291,134.39
  6. Step 6: Final answer
    x = 221,252.65

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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.