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Finding the Fourth Proportional to 268,447.70, 370,460.22 and 145,940.33

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Solution

The fourth proportional to 268,447.70, 370,460.22 and 145,940.33 is: 201,398.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,447.70 : 370,460.22 = 145,940.33 : x
  2. Step 2: Convert to fraction form
    268,447.70/370,460.22 = 145,940.33/x
  3. Step 3: Cross multiply
    268,447.70x = 370,460.22 × 145,940.33
  4. Step 4: Simplify right side
    268,447.70x = 54,065,086,758.67
  5. Step 5: Solve for x
    x = 54,065,086,758.67/268,447.70
  6. Step 6: Final answer
    x = 201,398.96

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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.