Home / 268,845.66-370,963.60-154,103.19

Finding the Fourth Proportional to 268,845.66, 370,963.60 and 154,103.19

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Solution

The fourth proportional to 268,845.66, 370,963.60 and 154,103.19 is: 212,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,845.66 : 370,963.60 = 154,103.19 : x
  2. Step 2: Convert to fraction form
    268,845.66/370,963.60 = 154,103.19/x
  3. Step 3: Cross multiply
    268,845.66x = 370,963.60 × 154,103.19
  4. Step 4: Simplify right side
    268,845.66x = 57,166,674,149.27
  5. Step 5: Solve for x
    x = 57,166,674,149.27/268,845.66
  6. Step 6: Final answer
    x = 212,637.52

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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.