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Finding the Fourth Proportional to 350,863.84, 484,073.17 and 286,221.33

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Solution

The fourth proportional to 350,863.84, 484,073.17 and 286,221.33 is: 394,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,863.84 : 484,073.17 = 286,221.33 : x
  2. Step 2: Convert to fraction form
    350,863.84/484,073.17 = 286,221.33/x
  3. Step 3: Cross multiply
    350,863.84x = 484,073.17 × 286,221.33
  4. Step 4: Simplify right side
    350,863.84x = 138,552,068,707.77
  5. Step 5: Solve for x
    x = 138,552,068,707.77/350,863.84
  6. Step 6: Final answer
    x = 394,888.42

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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.