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Finding the Fourth Proportional to 339,999.37, 469,189.72 and 184,945.51

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Solution

The fourth proportional to 339,999.37, 469,189.72 and 184,945.51 is: 255,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,999.37 : 469,189.72 = 184,945.51 : x
  2. Step 2: Convert to fraction form
    339,999.37/469,189.72 = 184,945.51/x
  3. Step 3: Cross multiply
    339,999.37x = 469,189.72 × 184,945.51
  4. Step 4: Simplify right side
    339,999.37x = 86,774,532,052.16
  5. Step 5: Solve for x
    x = 86,774,532,052.16/339,999.37
  6. Step 6: Final answer
    x = 255,219.68

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1.5x scale

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.