Home / 317,702.89-438,059.56-236,990.31

Finding the Fourth Proportional to 317,702.89, 438,059.56 and 236,990.31

Calculator

Solution

The fourth proportional to 317,702.89, 438,059.56 and 236,990.31 is: 326,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,702.89 : 438,059.56 = 236,990.31 : x
  2. Step 2: Convert to fraction form
    317,702.89/438,059.56 = 236,990.31/x
  3. Step 3: Cross multiply
    317,702.89x = 438,059.56 × 236,990.31
  4. Step 4: Simplify right side
    317,702.89x = 103,815,870,922.86
  5. Step 5: Solve for x
    x = 103,815,870,922.86/317,702.89
  6. Step 6: Final answer
    x = 326,770.31

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.