Home / 275,635.80-413,453.70-213,427.80

Finding the Fourth Proportional to 275,635.80, 413,453.70 and 213,427.80

Calculator

Solution

The fourth proportional to 275,635.80, 413,453.70 and 213,427.80 is: 320,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,635.80 : 413,453.70 = 213,427.80 : x
  2. Step 2: Convert to fraction form
    275,635.80/413,453.70 = 213,427.80/x
  3. Step 3: Cross multiply
    275,635.80x = 413,453.70 × 213,427.80
  4. Step 4: Simplify right side
    275,635.80x = 88,242,513,592.86
  5. Step 5: Solve for x
    x = 88,242,513,592.86/275,635.80
  6. Step 6: Final answer
    x = 320,141.70

Related Problems

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.