Home / 291,113.84-401,732.96-163,789.13

Finding the Fourth Proportional to 291,113.84, 401,732.96 and 163,789.13

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Solution

The fourth proportional to 291,113.84, 401,732.96 and 163,789.13 is: 226,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,113.84 : 401,732.96 = 163,789.13 : x
  2. Step 2: Convert to fraction form
    291,113.84/401,732.96 = 163,789.13/x
  3. Step 3: Cross multiply
    291,113.84x = 401,732.96 × 163,789.13
  4. Step 4: Simplify right side
    291,113.84x = 65,799,489,183.11
  5. Step 5: Solve for x
    x = 65,799,489,183.11/291,113.84
  6. Step 6: Final answer
    x = 226,026.66

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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.