Home / 347,890.82-480,083.12-194,928.40

Finding the Fourth Proportional to 347,890.82, 480,083.12 and 194,928.40

Calculator

Solution

The fourth proportional to 347,890.82, 480,083.12 and 194,928.40 is: 268,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,890.82 : 480,083.12 = 194,928.40 : x
  2. Step 2: Convert to fraction form
    347,890.82/480,083.12 = 194,928.40/x
  3. Step 3: Cross multiply
    347,890.82x = 480,083.12 × 194,928.40
  4. Step 4: Simplify right side
    347,890.82x = 93,581,834,448.61
  5. Step 5: Solve for x
    x = 93,581,834,448.61/347,890.82
  6. Step 6: Final answer
    x = 268,997.71

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.