Home / 268,119.45-370,006.20-145,612.22

Finding the Fourth Proportional to 268,119.45, 370,006.20 and 145,612.22

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Solution

The fourth proportional to 268,119.45, 370,006.20 and 145,612.22 is: 200,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,119.45 : 370,006.20 = 145,612.22 : x
  2. Step 2: Convert to fraction form
    268,119.45/370,006.20 = 145,612.22/x
  3. Step 3: Cross multiply
    268,119.45x = 370,006.20 × 145,612.22
  4. Step 4: Simplify right side
    268,119.45x = 53,877,422,345.73
  5. Step 5: Solve for x
    x = 53,877,422,345.73/268,119.45
  6. Step 6: Final answer
    x = 200,945.59

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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.