Home / 301,769.07-416,439.90-165,811.41

Finding the Fourth Proportional to 301,769.07, 416,439.90 and 165,811.41

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Solution

The fourth proportional to 301,769.07, 416,439.90 and 165,811.41 is: 228,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,769.07 : 416,439.90 = 165,811.41 : x
  2. Step 2: Convert to fraction form
    301,769.07/416,439.90 = 165,811.41/x
  3. Step 3: Cross multiply
    301,769.07x = 416,439.90 × 165,811.41
  4. Step 4: Simplify right side
    301,769.07x = 69,050,486,999.26
  5. Step 5: Solve for x
    x = 69,050,486,999.26/301,769.07
  6. Step 6: Final answer
    x = 228,818.97

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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.