Finding the Fourth Proportional to 203,484.24, 305,317.08 and 78,834.96
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Solution
The fourth proportional to 203,484.24, 305,317.08 and 78,834.96 is: 118,287.59
Step by Step Solution
- Step 1: Write the proportion equation
203,484.24 : 305,317.08 = 78,834.96 : x - Step 2: Convert to fraction form
203,484.24/305,317.08 = 78,834.96/x - Step 3: Cross multiply
203,484.24x = 305,317.08 × 78,834.96 - Step 4: Simplify right side
203,484.24x = 24,069,659,789.12 - Step 5: Solve for x
x = 24,069,659,789.12/203,484.24 - Step 6: Final answer
x = 118,287.59
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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.