Home / 221,002.09-304,902.88-144,564.82

Finding the Fourth Proportional to 221,002.09, 304,902.88 and 144,564.82

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Solution

The fourth proportional to 221,002.09, 304,902.88 and 144,564.82 is: 199,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,002.09 : 304,902.88 = 144,564.82 : x
  2. Step 2: Convert to fraction form
    221,002.09/304,902.88 = 144,564.82/x
  3. Step 3: Cross multiply
    221,002.09x = 304,902.88 × 144,564.82
  4. Step 4: Simplify right side
    221,002.09x = 44,078,229,964.68
  5. Step 5: Solve for x
    x = 44,078,229,964.68/221,002.09
  6. Step 6: Final answer
    x = 199,447.12

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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.