Home / 382,289.73-527,573.35-210,220.82

Finding the Fourth Proportional to 382,289.73, 527,573.35 and 210,220.82

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Solution

The fourth proportional to 382,289.73, 527,573.35 and 210,220.82 is: 290,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,289.73 : 527,573.35 = 210,220.82 : x
  2. Step 2: Convert to fraction form
    382,289.73/527,573.35 = 210,220.82/x
  3. Step 3: Cross multiply
    382,289.73x = 527,573.35 × 210,220.82
  4. Step 4: Simplify right side
    382,289.73x = 110,906,901,850.46
  5. Step 5: Solve for x
    x = 110,906,901,850.46/382,289.73
  6. Step 6: Final answer
    x = 290,112.17

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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.