Home / 301,729.05-416,385.36-165,772.17

Finding the Fourth Proportional to 301,729.05, 416,385.36 and 165,772.17

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Solution

The fourth proportional to 301,729.05, 416,385.36 and 165,772.17 is: 228,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,729.05 : 416,385.36 = 165,772.17 : x
  2. Step 2: Convert to fraction form
    301,729.05/416,385.36 = 165,772.17/x
  3. Step 3: Cross multiply
    301,729.05x = 416,385.36 × 165,772.17
  4. Step 4: Simplify right side
    301,729.05x = 69,025,104,683.43
  5. Step 5: Solve for x
    x = 69,025,104,683.43/301,729.05
  6. Step 6: Final answer
    x = 228,765.19

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1.5x scale

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.