Home / 277,629.24-416,445-77,951.28

Finding the Fourth Proportional to 277,629.24, 416,445 and 77,951.28

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Solution

The fourth proportional to 277,629.24, 416,445 and 77,951.28 is: 116,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,629.24 : 416,445 = 77,951.28 : x
  2. Step 2: Convert to fraction form
    277,629.24/416,445 = 77,951.28/x
  3. Step 3: Cross multiply
    277,629.24x = 416,445 × 77,951.28
  4. Step 4: Simplify right side
    277,629.24x = 32,462,420,799.60
  5. Step 5: Solve for x
    x = 32,462,420,799.60/277,629.24
  6. Step 6: Final answer
    x = 116,927.24

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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.