Home / 287,540.58-396,808.62-158,483.72

Finding the Fourth Proportional to 287,540.58, 396,808.62 and 158,483.72

Calculator

Solution

The fourth proportional to 287,540.58, 396,808.62 and 158,483.72 is: 218,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,540.58 : 396,808.62 = 158,483.72 : x
  2. Step 2: Convert to fraction form
    287,540.58/396,808.62 = 158,483.72/x
  3. Step 3: Cross multiply
    287,540.58x = 396,808.62 × 158,483.72
  4. Step 4: Simplify right side
    287,540.58x = 62,887,706,225.67
  5. Step 5: Solve for x
    x = 62,887,706,225.67/287,540.58
  6. Step 6: Final answer
    x = 218,708.98

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.