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Finding the Fourth Proportional to 325,390.37, 488,036.34 and 88,751.70

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Solution

The fourth proportional to 325,390.37, 488,036.34 and 88,751.70 is: 133,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,390.37 : 488,036.34 = 88,751.70 : x
  2. Step 2: Convert to fraction form
    325,390.37/488,036.34 = 88,751.70/x
  3. Step 3: Cross multiply
    325,390.37x = 488,036.34 × 88,751.70
  4. Step 4: Simplify right side
    325,390.37x = 43,314,054,836.78
  5. Step 5: Solve for x
    x = 43,314,054,836.78/325,390.37
  6. Step 6: Final answer
    x = 133,114.13

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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.