Home / 209,981.70-314,972.55-189,314.55

Finding the Fourth Proportional to 209,981.70, 314,972.55 and 189,314.55

Calculator

Solution

The fourth proportional to 209,981.70, 314,972.55 and 189,314.55 is: 283,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,981.70 : 314,972.55 = 189,314.55 : x
  2. Step 2: Convert to fraction form
    209,981.70/314,972.55 = 189,314.55/x
  3. Step 3: Cross multiply
    209,981.70x = 314,972.55 × 189,314.55
  4. Step 4: Simplify right side
    209,981.70x = 59,628,886,565.60
  5. Step 5: Solve for x
    x = 59,628,886,565.60/209,981.70
  6. Step 6: Final answer
    x = 283,971.83

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.