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Finding the Fourth Proportional to 318,461.85, 477,167.89 and 184,967.37

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Solution

The fourth proportional to 318,461.85, 477,167.89 and 184,967.37 is: 277,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,461.85 : 477,167.89 = 184,967.37 : x
  2. Step 2: Convert to fraction form
    318,461.85/477,167.89 = 184,967.37/x
  3. Step 3: Cross multiply
    318,461.85x = 477,167.89 × 184,967.37
  4. Step 4: Simplify right side
    318,461.85x = 88,260,486,813.49
  5. Step 5: Solve for x
    x = 88,260,486,813.49/318,461.85
  6. Step 6: Final answer
    x = 277,146.19

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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.