Home / 397,636.32-548,733.86-236,487.83

Finding the Fourth Proportional to 397,636.32, 548,733.86 and 236,487.83

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Solution

The fourth proportional to 397,636.32, 548,733.86 and 236,487.83 is: 326,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,636.32 : 548,733.86 = 236,487.83 : x
  2. Step 2: Convert to fraction form
    397,636.32/548,733.86 = 236,487.83/x
  3. Step 3: Cross multiply
    397,636.32x = 548,733.86 × 236,487.83
  4. Step 4: Simplify right side
    397,636.32x = 129,768,875,872.82
  5. Step 5: Solve for x
    x = 129,768,875,872.82/397,636.32
  6. Step 6: Final answer
    x = 326,350.66

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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.