Home / 382,230.90-527,432.82-210,120.48

Finding the Fourth Proportional to 382,230.90, 527,432.82 and 210,120.48

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Solution

The fourth proportional to 382,230.90, 527,432.82 and 210,120.48 is: 289,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,230.90 : 527,432.82 = 210,120.48 : x
  2. Step 2: Convert to fraction form
    382,230.90/527,432.82 = 210,120.48/x
  3. Step 3: Cross multiply
    382,230.90x = 527,432.82 × 210,120.48
  4. Step 4: Simplify right side
    382,230.90x = 110,824,436,518.20
  5. Step 5: Solve for x
    x = 110,824,436,518.20/382,230.90
  6. Step 6: Final answer
    x = 289,941.07

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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.