Home / 402,303.40-603,795.30-165,815.80

Finding the Fourth Proportional to 402,303.40, 603,795.30 and 165,815.80

Calculator

Solution

The fourth proportional to 402,303.40, 603,795.30 and 165,815.80 is: 248,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,303.40 : 603,795.30 = 165,815.80 : x
  2. Step 2: Convert to fraction form
    402,303.40/603,795.30 = 165,815.80/x
  3. Step 3: Cross multiply
    402,303.40x = 603,795.30 × 165,815.80
  4. Step 4: Simplify right side
    402,303.40x = 100,118,800,705.74
  5. Step 5: Solve for x
    x = 100,118,800,705.74/402,303.40
  6. Step 6: Final answer
    x = 248,863.92

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.