Home / 268,026.44-402,039.66-208,906.70

Finding the Fourth Proportional to 268,026.44, 402,039.66 and 208,906.70

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Solution

The fourth proportional to 268,026.44, 402,039.66 and 208,906.70 is: 313,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,026.44 : 402,039.66 = 208,906.70 : x
  2. Step 2: Convert to fraction form
    268,026.44/402,039.66 = 208,906.70/x
  3. Step 3: Cross multiply
    268,026.44x = 402,039.66 × 208,906.70
  4. Step 4: Simplify right side
    268,026.44x = 83,988,778,639.72
  5. Step 5: Solve for x
    x = 83,988,778,639.72/268,026.44
  6. Step 6: Final answer
    x = 313,360.05

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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.