Home / 260,329.36-359,250.24-145,610.68

Finding the Fourth Proportional to 260,329.36, 359,250.24 and 145,610.68

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Solution

The fourth proportional to 260,329.36, 359,250.24 and 145,610.68 is: 200,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,329.36 : 359,250.24 = 145,610.68 : x
  2. Step 2: Convert to fraction form
    260,329.36/359,250.24 = 145,610.68/x
  3. Step 3: Cross multiply
    260,329.36x = 359,250.24 × 145,610.68
  4. Step 4: Simplify right side
    260,329.36x = 52,310,671,736.56
  5. Step 5: Solve for x
    x = 52,310,671,736.56/260,329.36
  6. Step 6: Final answer
    x = 200,940.35

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1.5x scale

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.