Home / 382,490.24-527,849.20-210,415.36

Finding the Fourth Proportional to 382,490.24, 527,849.20 and 210,415.36

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Solution

The fourth proportional to 382,490.24, 527,849.20 and 210,415.36 is: 290,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,490.24 : 527,849.20 = 210,415.36 : x
  2. Step 2: Convert to fraction form
    382,490.24/527,849.20 = 210,415.36/x
  3. Step 3: Cross multiply
    382,490.24x = 527,849.20 × 210,415.36
  4. Step 4: Simplify right side
    382,490.24x = 111,067,579,443.71
  5. Step 5: Solve for x
    x = 111,067,579,443.71/382,490.24
  6. Step 6: Final answer
    x = 290,380.17

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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.