Home / 314,867.37-472,334.36-115,205.61

Finding the Fourth Proportional to 314,867.37, 472,334.36 and 115,205.61

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Solution

The fourth proportional to 314,867.37, 472,334.36 and 115,205.61 is: 172,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,867.37 : 472,334.36 = 115,205.61 : x
  2. Step 2: Convert to fraction form
    314,867.37/472,334.36 = 115,205.61/x
  3. Step 3: Cross multiply
    314,867.37x = 472,334.36 × 115,205.61
  4. Step 4: Simplify right side
    314,867.37x = 54,415,567,491.73
  5. Step 5: Solve for x
    x = 54,415,567,491.73/314,867.37
  6. Step 6: Final answer
    x = 172,820.60

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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.