Home / 311,400.01-429,801.96-203,907.61

Finding the Fourth Proportional to 311,400.01, 429,801.96 and 203,907.61

Calculator

Solution

The fourth proportional to 311,400.01, 429,801.96 and 203,907.61 is: 281,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,400.01 : 429,801.96 = 203,907.61 : x
  2. Step 2: Convert to fraction form
    311,400.01/429,801.96 = 203,907.61/x
  3. Step 3: Cross multiply
    311,400.01x = 429,801.96 × 203,907.61
  4. Step 4: Simplify right side
    311,400.01x = 87,639,890,436.92
  5. Step 5: Solve for x
    x = 87,639,890,436.92/311,400.01
  6. Step 6: Final answer
    x = 281,438.30

Related Problems

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.