Home / 291,535.26-402,320.07-164,212.86

Finding the Fourth Proportional to 291,535.26, 402,320.07 and 164,212.86

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Solution

The fourth proportional to 291,535.26, 402,320.07 and 164,212.86 is: 226,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,535.26 : 402,320.07 = 164,212.86 : x
  2. Step 2: Convert to fraction form
    291,535.26/402,320.07 = 164,212.86/x
  3. Step 3: Cross multiply
    291,535.26x = 402,320.07 × 164,212.86
  4. Step 4: Simplify right side
    291,535.26x = 66,066,129,330.10
  5. Step 5: Solve for x
    x = 66,066,129,330.10/291,535.26
  6. Step 6: Final answer
    x = 226,614.54

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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.