Home / 404,331.20-557,964.96-225,483.20

Finding the Fourth Proportional to 404,331.20, 557,964.96 and 225,483.20

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Solution

The fourth proportional to 404,331.20, 557,964.96 and 225,483.20 is: 311,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331.20 : 557,964.96 = 225,483.20 : x
  2. Step 2: Convert to fraction form
    404,331.20/557,964.96 = 225,483.20/x
  3. Step 3: Cross multiply
    404,331.20x = 557,964.96 × 225,483.20
  4. Step 4: Simplify right side
    404,331.20x = 125,811,724,668.67
  5. Step 5: Solve for x
    x = 125,811,724,668.67/404,331.20
  6. Step 6: Final answer
    x = 311,160.07

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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.