Home / 385,635.66-578,317.98-115,683.30

Finding the Fourth Proportional to 385,635.66, 578,317.98 and 115,683.30

Calculator

Solution

The fourth proportional to 385,635.66, 578,317.98 and 115,683.30 is: 173,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,635.66 : 578,317.98 = 115,683.30 : x
  2. Step 2: Convert to fraction form
    385,635.66/578,317.98 = 115,683.30/x
  3. Step 3: Cross multiply
    385,635.66x = 578,317.98 × 115,683.30
  4. Step 4: Simplify right side
    385,635.66x = 66,901,732,375.73
  5. Step 5: Solve for x
    x = 66,901,732,375.73/385,635.66
  6. Step 6: Final answer
    x = 173,484.30

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.