Home / 205,590.30-308,385.45-188,310.30

Finding the Fourth Proportional to 205,590.30, 308,385.45 and 188,310.30

Calculator

Solution

The fourth proportional to 205,590.30, 308,385.45 and 188,310.30 is: 282,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,590.30 : 308,385.45 = 188,310.30 : x
  2. Step 2: Convert to fraction form
    205,590.30/308,385.45 = 188,310.30/x
  3. Step 3: Cross multiply
    205,590.30x = 308,385.45 × 188,310.30
  4. Step 4: Simplify right side
    205,590.30x = 58,072,156,605.14
  5. Step 5: Solve for x
    x = 58,072,156,605.14/205,590.30
  6. Step 6: Final answer
    x = 282,465.45

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.