Home / 382,399.62-527,718.15-210,336.18

Finding the Fourth Proportional to 382,399.62, 527,718.15 and 210,336.18

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Solution

The fourth proportional to 382,399.62, 527,718.15 and 210,336.18 is: 290,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,399.62 : 527,718.15 = 210,336.18 : x
  2. Step 2: Convert to fraction form
    382,399.62/527,718.15 = 210,336.18/x
  3. Step 3: Cross multiply
    382,399.62x = 527,718.15 × 210,336.18
  4. Step 4: Simplify right side
    382,399.62x = 110,998,219,787.67
  5. Step 5: Solve for x
    x = 110,998,219,787.67/382,399.62
  6. Step 6: Final answer
    x = 290,267.60

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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.