Home / 218,530.41-301,553.60-133,631.07

Finding the Fourth Proportional to 218,530.41, 301,553.60 and 133,631.07

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Solution

The fourth proportional to 218,530.41, 301,553.60 and 133,631.07 is: 184,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,530.41 : 301,553.60 = 133,631.07 : x
  2. Step 2: Convert to fraction form
    218,530.41/301,553.60 = 133,631.07/x
  3. Step 3: Cross multiply
    218,530.41x = 301,553.60 × 133,631.07
  4. Step 4: Simplify right side
    218,530.41x = 40,296,929,562.20
  5. Step 5: Solve for x
    x = 40,296,929,562.20/218,530.41
  6. Step 6: Final answer
    x = 184,399.64

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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.