Home / 348,000.72-522,004.16-137,638.68

Finding the Fourth Proportional to 348,000.72, 522,004.16 and 137,638.68

Calculator

Solution

The fourth proportional to 348,000.72, 522,004.16 and 137,638.68 is: 206,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,000.72 : 522,004.16 = 137,638.68 : x
  2. Step 2: Convert to fraction form
    348,000.72/522,004.16 = 137,638.68/x
  3. Step 3: Cross multiply
    348,000.72x = 522,004.16 × 137,638.68
  4. Step 4: Simplify right side
    348,000.72x = 71,847,962,848.72
  5. Step 5: Solve for x
    x = 71,847,962,848.72/348,000.72
  6. Step 6: Final answer
    x = 206,459.24

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.