Home / 279,817.75-386,137.23-152,490.61

Finding the Fourth Proportional to 279,817.75, 386,137.23 and 152,490.61

Calculator

Solution

The fourth proportional to 279,817.75, 386,137.23 and 152,490.61 is: 210,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,817.75 : 386,137.23 = 152,490.61 : x
  2. Step 2: Convert to fraction form
    279,817.75/386,137.23 = 152,490.61/x
  3. Step 3: Cross multiply
    279,817.75x = 386,137.23 × 152,490.61
  4. Step 4: Simplify right side
    279,817.75x = 58,882,300,983.96
  5. Step 5: Solve for x
    x = 58,882,300,983.96/279,817.75
  6. Step 6: Final answer
    x = 210,430.90

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.