Home / 221,020.59-304,928.37-144,583.23

Finding the Fourth Proportional to 221,020.59, 304,928.37 and 144,583.23

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Solution

The fourth proportional to 221,020.59, 304,928.37 and 144,583.23 is: 199,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,020.59 : 304,928.37 = 144,583.23 : x
  2. Step 2: Convert to fraction form
    221,020.59/304,928.37 = 144,583.23/x
  3. Step 3: Cross multiply
    221,020.59x = 304,928.37 × 144,583.23
  4. Step 4: Simplify right side
    221,020.59x = 44,087,528,653.24
  5. Step 5: Solve for x
    x = 44,087,528,653.24/221,020.59
  6. Step 6: Final answer
    x = 199,472.50

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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.