Home / 268,330.80-369,906.36-187,507.32

Finding the Fourth Proportional to 268,330.80, 369,906.36 and 187,507.32

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Solution

The fourth proportional to 268,330.80, 369,906.36 and 187,507.32 is: 258,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,330.80 : 369,906.36 = 187,507.32 : x
  2. Step 2: Convert to fraction form
    268,330.80/369,906.36 = 187,507.32/x
  3. Step 3: Cross multiply
    268,330.80x = 369,906.36 × 187,507.32
  4. Step 4: Simplify right side
    268,330.80x = 69,360,150,214.56
  5. Step 5: Solve for x
    x = 69,360,150,214.56/268,330.80
  6. Step 6: Final answer
    x = 258,487.47

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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.