Home / 283,032.05-390,640.05-162,254.43

Finding the Fourth Proportional to 283,032.05, 390,640.05 and 162,254.43

Calculator

Solution

The fourth proportional to 283,032.05, 390,640.05 and 162,254.43 is: 223,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,032.05 : 390,640.05 = 162,254.43 : x
  2. Step 2: Convert to fraction form
    283,032.05/390,640.05 = 162,254.43/x
  3. Step 3: Cross multiply
    283,032.05x = 390,640.05 × 162,254.43
  4. Step 4: Simplify right side
    283,032.05x = 63,383,078,647.92
  5. Step 5: Solve for x
    x = 63,383,078,647.92/283,032.05
  6. Step 6: Final answer
    x = 223,943.12

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.