Home / 221,788.86-305,749.95-158,015.94

Finding the Fourth Proportional to 221,788.86, 305,749.95 and 158,015.94

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Solution

The fourth proportional to 221,788.86, 305,749.95 and 158,015.94 is: 217,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,788.86 : 305,749.95 = 158,015.94 : x
  2. Step 2: Convert to fraction form
    221,788.86/305,749.95 = 158,015.94/x
  3. Step 3: Cross multiply
    221,788.86x = 305,749.95 × 158,015.94
  4. Step 4: Simplify right side
    221,788.86x = 48,313,363,435.37
  5. Step 5: Solve for x
    x = 48,313,363,435.37/221,788.86
  6. Step 6: Final answer
    x = 217,834.95

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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.