Home / 317,789.28-438,579.66-181,796.22

Finding the Fourth Proportional to 317,789.28, 438,579.66 and 181,796.22

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Solution

The fourth proportional to 317,789.28, 438,579.66 and 181,796.22 is: 250,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,789.28 : 438,579.66 = 181,796.22 : x
  2. Step 2: Convert to fraction form
    317,789.28/438,579.66 = 181,796.22/x
  3. Step 3: Cross multiply
    317,789.28x = 438,579.66 × 181,796.22
  4. Step 4: Simplify right side
    317,789.28x = 79,732,124,356.89
  5. Step 5: Solve for x
    x = 79,732,124,356.89/317,789.28
  6. Step 6: Final answer
    x = 250,896.21

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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.