Home / 382,261.20-527,521.80-210,189.98

Finding the Fourth Proportional to 382,261.20, 527,521.80 and 210,189.98

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Solution

The fourth proportional to 382,261.20, 527,521.80 and 210,189.98 is: 290,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,261.20 : 527,521.80 = 210,189.98 : x
  2. Step 2: Convert to fraction form
    382,261.20/527,521.80 = 210,189.98/x
  3. Step 3: Cross multiply
    382,261.20x = 527,521.80 × 210,189.98
  4. Step 4: Simplify right side
    382,261.20x = 110,879,796,591.56
  5. Step 5: Solve for x
    x = 110,879,796,591.56/382,261.20
  6. Step 6: Final answer
    x = 290,062.91

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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.