Home / 352,907.60-529,879.80-212,939.60

Finding the Fourth Proportional to 352,907.60, 529,879.80 and 212,939.60

Calculator

Solution

The fourth proportional to 352,907.60, 529,879.80 and 212,939.60 is: 319,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,907.60 : 529,879.80 = 212,939.60 : x
  2. Step 2: Convert to fraction form
    352,907.60/529,879.80 = 212,939.60/x
  3. Step 3: Cross multiply
    352,907.60x = 529,879.80 × 212,939.60
  4. Step 4: Simplify right side
    352,907.60x = 112,832,392,660.08
  5. Step 5: Solve for x
    x = 112,832,392,660.08/352,907.60
  6. Step 6: Final answer
    x = 319,722.20

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.