Home / 313,272.86-432,213.64-177,293.30

Finding the Fourth Proportional to 313,272.86, 432,213.64 and 177,293.30

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Solution

The fourth proportional to 313,272.86, 432,213.64 and 177,293.30 is: 244,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,272.86 : 432,213.64 = 177,293.30 : x
  2. Step 2: Convert to fraction form
    313,272.86/432,213.64 = 177,293.30/x
  3. Step 3: Cross multiply
    313,272.86x = 432,213.64 × 177,293.30
  4. Step 4: Simplify right side
    313,272.86x = 76,628,579,936.31
  5. Step 5: Solve for x
    x = 76,628,579,936.31/313,272.86
  6. Step 6: Final answer
    x = 244,606.51

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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.