Home / 259,550.48-388,820.76-170,533.52

Finding the Fourth Proportional to 259,550.48, 388,820.76 and 170,533.52

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Solution

The fourth proportional to 259,550.48, 388,820.76 and 170,533.52 is: 255,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,550.48 : 388,820.76 = 170,533.52 : x
  2. Step 2: Convert to fraction form
    259,550.48/388,820.76 = 170,533.52/x
  3. Step 3: Cross multiply
    259,550.48x = 388,820.76 × 170,533.52
  4. Step 4: Simplify right side
    259,550.48x = 66,306,972,851.88
  5. Step 5: Solve for x
    x = 66,306,972,851.88/259,550.48
  6. Step 6: Final answer
    x = 255,468.50

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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.