Finding the Fourth Proportional to 686,212.84, 1,029,286.30 and 187,577.96
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Solution
The fourth proportional to 686,212.84, 1,029,286.30 and 187,577.96 is: 281,357.93
Step by Step Solution
- Step 1: Write the proportion equation
686,212.84 : 1,029,286.30 = 187,577.96 : x - Step 2: Convert to fraction form
686,212.84/1,029,286.30 = 187,577.96/x - Step 3: Cross multiply
686,212.84x = 1,029,286.30 × 187,577.96 - Step 4: Simplify right side
686,212.84x = 193,071,424,409.95 - Step 5: Solve for x
x = 193,071,424,409.95/686,212.84 - Step 6: Final answer
x = 281,357.93
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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.