Home / 341,329.40-512,415.30-214,969.40

Finding the Fourth Proportional to 341,329.40, 512,415.30 and 214,969.40

Calculator

Solution

The fourth proportional to 341,329.40, 512,415.30 and 214,969.40 is: 322,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,329.40 : 512,415.30 = 214,969.40 : x
  2. Step 2: Convert to fraction form
    341,329.40/512,415.30 = 214,969.40/x
  3. Step 3: Cross multiply
    341,329.40x = 512,415.30 × 214,969.40
  4. Step 4: Simplify right side
    341,329.40x = 110,153,609,591.82
  5. Step 5: Solve for x
    x = 110,153,609,591.82/341,329.40
  6. Step 6: Final answer
    x = 322,719.37

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.