Home / 291,617-402,431.48-157,481

Finding the Fourth Proportional to 291,617, 402,431.48 and 157,481

Calculator

Solution

The fourth proportional to 291,617, 402,431.48 and 157,481 is: 217,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,617 : 402,431.48 = 157,481 : x
  2. Step 2: Convert to fraction form
    291,617/402,431.48 = 157,481/x
  3. Step 3: Cross multiply
    291,617x = 402,431.48 × 157,481
  4. Step 4: Simplify right side
    291,617x = 63,375,311,901.88
  5. Step 5: Solve for x
    x = 63,375,311,901.88/291,617
  6. Step 6: Final answer
    x = 217,323.79

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.