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Finding the Fourth Proportional to 220,859.82, 304,708.82 and 144,423.62

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Solution

The fourth proportional to 220,859.82, 304,708.82 and 144,423.62 is: 199,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,859.82 : 304,708.82 = 144,423.62 : x
  2. Step 2: Convert to fraction form
    220,859.82/304,708.82 = 144,423.62/x
  3. Step 3: Cross multiply
    220,859.82x = 304,708.82 × 144,423.62
  4. Step 4: Simplify right side
    220,859.82x = 44,007,150,830.33
  5. Step 5: Solve for x
    x = 44,007,150,830.33/220,859.82
  6. Step 6: Final answer
    x = 199,253.77

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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.