Finding the Fourth Proportional to 765,645.75, 1,148,381.08 and 204,723.99
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Solution
The fourth proportional to 765,645.75, 1,148,381.08 and 204,723.99 is: 307,062.58
Step by Step Solution
- Step 1: Write the proportion equation
765,645.75 : 1,148,381.08 = 204,723.99 : x - Step 2: Convert to fraction form
765,645.75/1,148,381.08 = 204,723.99/x - Step 3: Cross multiply
765,645.75x = 1,148,381.08 × 204,723.99 - Step 4: Simplify right side
765,645.75x = 235,101,156,226.30 - Step 5: Solve for x
x = 235,101,156,226.30/765,645.75 - Step 6: Final answer
x = 307,062.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.