Home / 278,839.60-384,801.08-151,515.19

Finding the Fourth Proportional to 278,839.60, 384,801.08 and 151,515.19

Calculator

Solution

The fourth proportional to 278,839.60, 384,801.08 and 151,515.19 is: 209,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,839.60 : 384,801.08 = 151,515.19 : x
  2. Step 2: Convert to fraction form
    278,839.60/384,801.08 = 151,515.19/x
  3. Step 3: Cross multiply
    278,839.60x = 384,801.08 × 151,515.19
  4. Step 4: Simplify right side
    278,839.60x = 58,303,206,066.82
  5. Step 5: Solve for x
    x = 58,303,206,066.82/278,839.60
  6. Step 6: Final answer
    x = 209,092.28

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.