Home / 220,716.48-304,653-144,246.72

Finding the Fourth Proportional to 220,716.48, 304,653 and 144,246.72

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Solution

The fourth proportional to 220,716.48, 304,653 and 144,246.72 is: 199,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,716.48 : 304,653 = 144,246.72 : x
  2. Step 2: Convert to fraction form
    220,716.48/304,653 = 144,246.72/x
  3. Step 3: Cross multiply
    220,716.48x = 304,653 × 144,246.72
  4. Step 4: Simplify right side
    220,716.48x = 43,945,195,988.16
  5. Step 5: Solve for x
    x = 43,945,195,988.16/220,716.48
  6. Step 6: Final answer
    x = 199,102.47

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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.