Home / 220,422.36-304,216.09-134,431.25

Finding the Fourth Proportional to 220,422.36, 304,216.09 and 134,431.25

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Solution

The fourth proportional to 220,422.36, 304,216.09 and 134,431.25 is: 185,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,422.36 : 304,216.09 = 134,431.25 : x
  2. Step 2: Convert to fraction form
    220,422.36/304,216.09 = 134,431.25/x
  3. Step 3: Cross multiply
    220,422.36x = 304,216.09 × 134,431.25
  4. Step 4: Simplify right side
    220,422.36x = 40,896,149,673.27
  5. Step 5: Solve for x
    x = 40,896,149,673.27/220,422.36
  6. Step 6: Final answer
    x = 185,535.40

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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.