Finding the Fourth Proportional to 765,845.96, 1,148,768.93 and 204,865.88
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Solution
The fourth proportional to 765,845.96, 1,148,768.93 and 204,865.88 is: 307,298.81
Step by Step Solution
- Step 1: Write the proportion equation
765,845.96 : 1,148,768.93 = 204,865.88 : x - Step 2: Convert to fraction form
765,845.96/1,148,768.93 = 204,865.88/x - Step 3: Cross multiply
765,845.96x = 1,148,768.93 × 204,865.88 - Step 4: Simplify right side
765,845.96x = 235,343,552,529.43 - Step 5: Solve for x
x = 235,343,552,529.43/765,845.96 - Step 6: Final answer
x = 307,298.81
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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.