Home / 219,894.32-303,454.20-124,399.04

Finding the Fourth Proportional to 219,894.32, 303,454.20 and 124,399.04

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Solution

The fourth proportional to 219,894.32, 303,454.20 and 124,399.04 is: 171,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,894.32 : 303,454.20 = 124,399.04 : x
  2. Step 2: Convert to fraction form
    219,894.32/303,454.20 = 124,399.04/x
  3. Step 3: Cross multiply
    219,894.32x = 303,454.20 × 124,399.04
  4. Step 4: Simplify right side
    219,894.32x = 37,749,411,163.97
  5. Step 5: Solve for x
    x = 37,749,411,163.97/219,894.32
  6. Step 6: Final answer
    x = 171,670.70

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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.