Home / 220,461.47-304,301.57-143,992.25

Finding the Fourth Proportional to 220,461.47, 304,301.57 and 143,992.25

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Solution

The fourth proportional to 220,461.47, 304,301.57 and 143,992.25 is: 198,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,461.47 : 304,301.57 = 143,992.25 : x
  2. Step 2: Convert to fraction form
    220,461.47/304,301.57 = 143,992.25/x
  3. Step 3: Cross multiply
    220,461.47x = 304,301.57 × 143,992.25
  4. Step 4: Simplify right side
    220,461.47x = 43,817,067,742.83
  5. Step 5: Solve for x
    x = 43,817,067,742.83/220,461.47
  6. Step 6: Final answer
    x = 198,751.59

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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.