Home / 220,461.10-304,301.06-143,991.88

Finding the Fourth Proportional to 220,461.10, 304,301.06 and 143,991.88

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Solution

The fourth proportional to 220,461.10, 304,301.06 and 143,991.88 is: 198,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,461.10 : 304,301.06 = 143,991.88 : x
  2. Step 2: Convert to fraction form
    220,461.10/304,301.06 = 143,991.88/x
  3. Step 3: Cross multiply
    220,461.10x = 304,301.06 × 143,991.88
  4. Step 4: Simplify right side
    220,461.10x = 43,816,881,355.41
  5. Step 5: Solve for x
    x = 43,816,881,355.41/220,461.10
  6. Step 6: Final answer
    x = 198,751.08

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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.