Home / 291,228.45-401,922.38-170,362.07

Finding the Fourth Proportional to 291,228.45, 401,922.38 and 170,362.07

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Solution

The fourth proportional to 291,228.45, 401,922.38 and 170,362.07 is: 235,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,228.45 : 401,922.38 = 170,362.07 : x
  2. Step 2: Convert to fraction form
    291,228.45/401,922.38 = 170,362.07/x
  3. Step 3: Cross multiply
    291,228.45x = 401,922.38 × 170,362.07
  4. Step 4: Simplify right side
    291,228.45x = 68,472,330,066.84
  5. Step 5: Solve for x
    x = 68,472,330,066.84/291,228.45
  6. Step 6: Final answer
    x = 235,115.53

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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.