Home / 397,635.81-548,733.16-236,487.33

Finding the Fourth Proportional to 397,635.81, 548,733.16 and 236,487.33

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Solution

The fourth proportional to 397,635.81, 548,733.16 and 236,487.33 is: 326,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,635.81 : 548,733.16 = 236,487.33 : x
  2. Step 2: Convert to fraction form
    397,635.81/548,733.16 = 236,487.33/x
  3. Step 3: Cross multiply
    397,635.81x = 548,733.16 × 236,487.33
  4. Step 4: Simplify right side
    397,635.81x = 129,768,439,890.86
  5. Step 5: Solve for x
    x = 129,768,439,890.86/397,635.81
  6. Step 6: Final answer
    x = 326,349.98

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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.