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Finding the Fourth Proportional to 320,035.72, 441,675.70 and 184,113.80

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Solution

The fourth proportional to 320,035.72, 441,675.70 and 184,113.80 is: 254,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,035.72 : 441,675.70 = 184,113.80 : x
  2. Step 2: Convert to fraction form
    320,035.72/441,675.70 = 184,113.80/x
  3. Step 3: Cross multiply
    320,035.72x = 441,675.70 × 184,113.80
  4. Step 4: Simplify right side
    320,035.72x = 81,318,591,494.66
  5. Step 5: Solve for x
    x = 81,318,591,494.66/320,035.72
  6. Step 6: Final answer
    x = 254,092.24

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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.