Home / 228,327.20-315,083.79-126,356.96

Finding the Fourth Proportional to 228,327.20, 315,083.79 and 126,356.96

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Solution

The fourth proportional to 228,327.20, 315,083.79 and 126,356.96 is: 174,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327.20 : 315,083.79 = 126,356.96 : x
  2. Step 2: Convert to fraction form
    228,327.20/315,083.79 = 126,356.96/x
  3. Step 3: Cross multiply
    228,327.20x = 315,083.79 × 126,356.96
  4. Step 4: Simplify right side
    228,327.20x = 39,813,030,637.39
  5. Step 5: Solve for x
    x = 39,813,030,637.39/228,327.20
  6. Step 6: Final answer
    x = 174,368.32

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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.