Home / 281,110.10-421,859.55-202,280.90

Finding the Fourth Proportional to 281,110.10, 421,859.55 and 202,280.90

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Solution

The fourth proportional to 281,110.10, 421,859.55 and 202,280.90 is: 303,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,110.10 : 421,859.55 = 202,280.90 : x
  2. Step 2: Convert to fraction form
    281,110.10/421,859.55 = 202,280.90/x
  3. Step 3: Cross multiply
    281,110.10x = 421,859.55 × 202,280.90
  4. Step 4: Simplify right side
    281,110.10x = 85,334,129,447.60
  5. Step 5: Solve for x
    x = 85,334,129,447.60/281,110.10
  6. Step 6: Final answer
    x = 303,561.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.