Home / 382,526.06-527,878.61-210,433.97

Finding the Fourth Proportional to 382,526.06, 527,878.61 and 210,433.97

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Solution

The fourth proportional to 382,526.06, 527,878.61 and 210,433.97 is: 290,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,526.06 : 527,878.61 = 210,433.97 : x
  2. Step 2: Convert to fraction form
    382,526.06/527,878.61 = 210,433.97/x
  3. Step 3: Cross multiply
    382,526.06x = 527,878.61 × 210,433.97
  4. Step 4: Simplify right side
    382,526.06x = 111,083,591,580.38
  5. Step 5: Solve for x
    x = 111,083,591,580.38/382,526.06
  6. Step 6: Final answer
    x = 290,394.83

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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.