Home / 351,274.40-484,758.12-190,129.40

Finding the Fourth Proportional to 351,274.40, 484,758.12 and 190,129.40

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Solution

The fourth proportional to 351,274.40, 484,758.12 and 190,129.40 is: 262,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,274.40 : 484,758.12 = 190,129.40 : x
  2. Step 2: Convert to fraction form
    351,274.40/484,758.12 = 190,129.40/x
  3. Step 3: Cross multiply
    351,274.40x = 484,758.12 × 190,129.40
  4. Step 4: Simplify right side
    351,274.40x = 92,166,770,500.73
  5. Step 5: Solve for x
    x = 92,166,770,500.73/351,274.40
  6. Step 6: Final answer
    x = 262,378.27

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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.