Home / 382,497.28-527,864.94-212,727.76

Finding the Fourth Proportional to 382,497.28, 527,864.94 and 212,727.76

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Solution

The fourth proportional to 382,497.28, 527,864.94 and 212,727.76 is: 293,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,497.28 : 527,864.94 = 212,727.76 : x
  2. Step 2: Convert to fraction form
    382,497.28/527,864.94 = 212,727.76/x
  3. Step 3: Cross multiply
    382,497.28x = 527,864.94 × 212,727.76
  4. Step 4: Simplify right side
    382,497.28x = 112,291,526,268.73
  5. Step 5: Solve for x
    x = 112,291,526,268.73/382,497.28
  6. Step 6: Final answer
    x = 293,574.71

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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.