Home / 427,202.99-589,540.27-243,436.30

Finding the Fourth Proportional to 427,202.99, 589,540.27 and 243,436.30

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Solution

The fourth proportional to 427,202.99, 589,540.27 and 243,436.30 is: 335,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,202.99 : 589,540.27 = 243,436.30 : x
  2. Step 2: Convert to fraction form
    427,202.99/589,540.27 = 243,436.30/x
  3. Step 3: Cross multiply
    427,202.99x = 589,540.27 × 243,436.30
  4. Step 4: Simplify right side
    427,202.99x = 143,515,502,029.80
  5. Step 5: Solve for x
    x = 143,515,502,029.80/427,202.99
  6. Step 6: Final answer
    x = 335,942.18

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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.