Home / 228,403.62-315,192-125,037.57

Finding the Fourth Proportional to 228,403.62, 315,192 and 125,037.57

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Solution

The fourth proportional to 228,403.62, 315,192 and 125,037.57 is: 172,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,403.62 : 315,192 = 125,037.57 : x
  2. Step 2: Convert to fraction form
    228,403.62/315,192 = 125,037.57/x
  3. Step 3: Cross multiply
    228,403.62x = 315,192 × 125,037.57
  4. Step 4: Simplify right side
    228,403.62x = 39,410,841,763.44
  5. Step 5: Solve for x
    x = 39,410,841,763.44/228,403.62
  6. Step 6: Final answer
    x = 172,549.11

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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.