Home / 309,822.30-427,519.62-173,827.89

Finding the Fourth Proportional to 309,822.30, 427,519.62 and 173,827.89

Calculator

Solution

The fourth proportional to 309,822.30, 427,519.62 and 173,827.89 is: 239,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,822.30 : 427,519.62 = 173,827.89 : x
  2. Step 2: Convert to fraction form
    309,822.30/427,519.62 = 173,827.89/x
  3. Step 3: Cross multiply
    309,822.30x = 427,519.62 × 173,827.89
  4. Step 4: Simplify right side
    309,822.30x = 74,314,833,478.20
  5. Step 5: Solve for x
    x = 74,314,833,478.20/309,822.30
  6. Step 6: Final answer
    x = 239,862.76

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.