Home / 351,318.22-484,819.44-190,172.77

Finding the Fourth Proportional to 351,318.22, 484,819.44 and 190,172.77

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Solution

The fourth proportional to 351,318.22, 484,819.44 and 190,172.77 is: 262,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,318.22 : 484,819.44 = 190,172.77 : x
  2. Step 2: Convert to fraction form
    351,318.22/484,819.44 = 190,172.77/x
  3. Step 3: Cross multiply
    351,318.22x = 484,819.44 × 190,172.77
  4. Step 4: Simplify right side
    351,318.22x = 92,199,455,854.65
  5. Step 5: Solve for x
    x = 92,199,455,854.65/351,318.22
  6. Step 6: Final answer
    x = 262,438.58

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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.