Home / 220,460.47-304,300.19-143,991.25

Finding the Fourth Proportional to 220,460.47, 304,300.19 and 143,991.25

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Solution

The fourth proportional to 220,460.47, 304,300.19 and 143,991.25 is: 198,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,460.47 : 304,300.19 = 143,991.25 : x
  2. Step 2: Convert to fraction form
    220,460.47/304,300.19 = 143,991.25/x
  3. Step 3: Cross multiply
    220,460.47x = 304,300.19 × 143,991.25
  4. Step 4: Simplify right side
    220,460.47x = 43,816,566,044.25
  5. Step 5: Solve for x
    x = 43,816,566,044.25/220,460.47
  6. Step 6: Final answer
    x = 198,750.22

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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.