Home / 250,314.39-375,494.64-81,835.61

Finding the Fourth Proportional to 250,314.39, 375,494.64 and 81,835.61

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Solution

The fourth proportional to 250,314.39, 375,494.64 and 81,835.61 is: 122,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,314.39 : 375,494.64 = 81,835.61 : x
  2. Step 2: Convert to fraction form
    250,314.39/375,494.64 = 81,835.61/x
  3. Step 3: Cross multiply
    250,314.39x = 375,494.64 × 81,835.61
  4. Step 4: Simplify right side
    250,314.39x = 30,728,831,038.66
  5. Step 5: Solve for x
    x = 30,728,831,038.66/250,314.39
  6. Step 6: Final answer
    x = 122,760.94

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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.