Home / 221,021.59-304,929.75-144,584.23

Finding the Fourth Proportional to 221,021.59, 304,929.75 and 144,584.23

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Solution

The fourth proportional to 221,021.59, 304,929.75 and 144,584.23 is: 199,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,021.59 : 304,929.75 = 144,584.23 : x
  2. Step 2: Convert to fraction form
    221,021.59/304,929.75 = 144,584.23/x
  3. Step 3: Cross multiply
    221,021.59x = 304,929.75 × 144,584.23
  4. Step 4: Simplify right side
    221,021.59x = 44,088,033,107.84
  5. Step 5: Solve for x
    x = 44,088,033,107.84/221,021.59
  6. Step 6: Final answer
    x = 199,473.88

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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.