Home / 225,649.02-311,537.24-145,216.33

Finding the Fourth Proportional to 225,649.02, 311,537.24 and 145,216.33

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Solution

The fourth proportional to 225,649.02, 311,537.24 and 145,216.33 is: 200,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,649.02 : 311,537.24 = 145,216.33 : x
  2. Step 2: Convert to fraction form
    225,649.02/311,537.24 = 145,216.33/x
  3. Step 3: Cross multiply
    225,649.02x = 311,537.24 × 145,216.33
  4. Step 4: Simplify right side
    225,649.02x = 45,240,293,690.77
  5. Step 5: Solve for x
    x = 45,240,293,690.77/225,649.02
  6. Step 6: Final answer
    x = 200,489.65

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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.