Home / 382,577.28-527,960.70-210,497.52

Finding the Fourth Proportional to 382,577.28, 527,960.70 and 210,497.52

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Solution

The fourth proportional to 382,577.28, 527,960.70 and 210,497.52 is: 290,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,577.28 : 527,960.70 = 210,497.52 : x
  2. Step 2: Convert to fraction form
    382,577.28/527,960.70 = 210,497.52/x
  3. Step 3: Cross multiply
    382,577.28x = 527,960.70 × 210,497.52
  4. Step 4: Simplify right side
    382,577.28x = 111,134,418,007.46
  5. Step 5: Solve for x
    x = 111,134,418,007.46/382,577.28
  6. Step 6: Final answer
    x = 290,488.81

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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.