Home / 382,370.07-527,643.27-210,299.97

Finding the Fourth Proportional to 382,370.07, 527,643.27 and 210,299.97

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Solution

The fourth proportional to 382,370.07, 527,643.27 and 210,299.97 is: 290,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,370.07 : 527,643.27 = 210,299.97 : x
  2. Step 2: Convert to fraction form
    382,370.07/527,643.27 = 210,299.97/x
  3. Step 3: Cross multiply
    382,370.07x = 527,643.27 × 210,299.97
  4. Step 4: Simplify right side
    382,370.07x = 110,963,363,851.70
  5. Step 5: Solve for x
    x = 110,963,363,851.70/382,370.07
  6. Step 6: Final answer
    x = 290,198.87

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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.