Home / 280,131.15-419,458.60-167,544.39

Finding the Fourth Proportional to 280,131.15, 419,458.60 and 167,544.39

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Solution

The fourth proportional to 280,131.15, 419,458.60 and 167,544.39 is: 250,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,131.15 : 419,458.60 = 167,544.39 : x
  2. Step 2: Convert to fraction form
    280,131.15/419,458.60 = 167,544.39/x
  3. Step 3: Cross multiply
    280,131.15x = 419,458.60 × 167,544.39
  4. Step 4: Simplify right side
    280,131.15x = 70,277,935,267.25
  5. Step 5: Solve for x
    x = 70,277,935,267.25/280,131.15
  6. Step 6: Final answer
    x = 250,875.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.