Home / 274,615.60-379,009.30-153,764.66

Finding the Fourth Proportional to 274,615.60, 379,009.30 and 153,764.66

Calculator

Solution

The fourth proportional to 274,615.60, 379,009.30 and 153,764.66 is: 212,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,615.60 : 379,009.30 = 153,764.66 : x
  2. Step 2: Convert to fraction form
    274,615.60/379,009.30 = 153,764.66/x
  3. Step 3: Cross multiply
    274,615.60x = 379,009.30 × 153,764.66
  4. Step 4: Simplify right side
    274,615.60x = 58,278,235,382.51
  5. Step 5: Solve for x
    x = 58,278,235,382.51/274,615.60
  6. Step 6: Final answer
    x = 212,217.50

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.