Home / 291,231.13-401,744.82-200,429.46

Finding the Fourth Proportional to 291,231.13, 401,744.82 and 200,429.46

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Solution

The fourth proportional to 291,231.13, 401,744.82 and 200,429.46 is: 276,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,231.13 : 401,744.82 = 200,429.46 : x
  2. Step 2: Convert to fraction form
    291,231.13/401,744.82 = 200,429.46/x
  3. Step 3: Cross multiply
    291,231.13x = 401,744.82 × 200,429.46
  4. Step 4: Simplify right side
    291,231.13x = 80,521,497,330.40
  5. Step 5: Solve for x
    x = 80,521,497,330.40/291,231.13
  6. Step 6: Final answer
    x = 276,486.57

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1.5x scale

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.