Home / 254,358.39-381,247.32-102,458.18

Finding the Fourth Proportional to 254,358.39, 381,247.32 and 102,458.18

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Solution

The fourth proportional to 254,358.39, 381,247.32 and 102,458.18 is: 153,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,358.39 : 381,247.32 = 102,458.18 : x
  2. Step 2: Convert to fraction form
    254,358.39/381,247.32 = 102,458.18/x
  3. Step 3: Cross multiply
    254,358.39x = 381,247.32 × 102,458.18
  4. Step 4: Simplify right side
    254,358.39x = 39,061,907,874.41
  5. Step 5: Solve for x
    x = 39,061,907,874.41/254,358.39
  6. Step 6: Final answer
    x = 153,570.35

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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.