Home / 382,401.43-527,726.86-210,326.64

Finding the Fourth Proportional to 382,401.43, 527,726.86 and 210,326.64

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Solution

The fourth proportional to 382,401.43, 527,726.86 and 210,326.64 is: 290,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401.43 : 527,726.86 = 210,326.64 : x
  2. Step 2: Convert to fraction form
    382,401.43/527,726.86 = 210,326.64/x
  3. Step 3: Cross multiply
    382,401.43x = 527,726.86 × 210,326.64
  4. Step 4: Simplify right side
    382,401.43x = 110,995,015,834.65
  5. Step 5: Solve for x
    x = 110,995,015,834.65/382,401.43
  6. Step 6: Final answer
    x = 290,257.85

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1.5x scale

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.