Home / 312,256.68-430,798.83-204,972.48

Finding the Fourth Proportional to 312,256.68, 430,798.83 and 204,972.48

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Solution

The fourth proportional to 312,256.68, 430,798.83 and 204,972.48 is: 282,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,256.68 : 430,798.83 = 204,972.48 : x
  2. Step 2: Convert to fraction form
    312,256.68/430,798.83 = 204,972.48/x
  3. Step 3: Cross multiply
    312,256.68x = 430,798.83 × 204,972.48
  4. Step 4: Simplify right side
    312,256.68x = 88,301,904,566.20
  5. Step 5: Solve for x
    x = 88,301,904,566.20/312,256.68
  6. Step 6: Final answer
    x = 282,786.28

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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.