Home / 289,184.92-399,071.28-161,860.48

Finding the Fourth Proportional to 289,184.92, 399,071.28 and 161,860.48

Calculator

Solution

The fourth proportional to 289,184.92, 399,071.28 and 161,860.48 is: 223,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,184.92 : 399,071.28 = 161,860.48 : x
  2. Step 2: Convert to fraction form
    289,184.92/399,071.28 = 161,860.48/x
  3. Step 3: Cross multiply
    289,184.92x = 399,071.28 × 161,860.48
  4. Step 4: Simplify right side
    289,184.92x = 64,593,868,935.01
  5. Step 5: Solve for x
    x = 64,593,868,935.01/289,184.92
  6. Step 6: Final answer
    x = 223,365.27

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.