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Finding the Fourth Proportional to 339,709.88, 468,808.66 and 184,671.60

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Solution

The fourth proportional to 339,709.88, 468,808.66 and 184,671.60 is: 254,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,709.88 : 468,808.66 = 184,671.60 : x
  2. Step 2: Convert to fraction form
    339,709.88/468,808.66 = 184,671.60/x
  3. Step 3: Cross multiply
    339,709.88x = 468,808.66 × 184,671.60
  4. Step 4: Simplify right side
    339,709.88x = 86,575,643,808.86
  5. Step 5: Solve for x
    x = 86,575,643,808.86/339,709.88
  6. Step 6: Final answer
    x = 254,851.71

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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.