Home / 259,627.04-389,301.24-133,215.20

Finding the Fourth Proportional to 259,627.04, 389,301.24 and 133,215.20

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Solution

The fourth proportional to 259,627.04, 389,301.24 and 133,215.20 is: 199,751.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,627.04 : 389,301.24 = 133,215.20 : x
  2. Step 2: Convert to fraction form
    259,627.04/389,301.24 = 133,215.20/x
  3. Step 3: Cross multiply
    259,627.04x = 389,301.24 × 133,215.20
  4. Step 4: Simplify right side
    259,627.04x = 51,860,842,546.85
  5. Step 5: Solve for x
    x = 51,860,842,546.85/259,627.04
  6. Step 6: Final answer
    x = 199,751.31

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1.5x scale

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.