Finding the Fourth Proportional to 686,282.36, 1,029,430.49 and 180,915.84
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Solution
The fourth proportional to 686,282.36, 1,029,430.49 and 180,915.84 is: 271,375.59
Step by Step Solution
- Step 1: Write the proportion equation
686,282.36 : 1,029,430.49 = 180,915.84 : x - Step 2: Convert to fraction form
686,282.36/1,029,430.49 = 180,915.84/x - Step 3: Cross multiply
686,282.36x = 1,029,430.49 × 180,915.84 - Step 4: Simplify right side
686,282.36x = 186,240,280,915.38 - Step 5: Solve for x
x = 186,240,280,915.38/686,282.36 - Step 6: Final answer
x = 271,375.59
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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.