Finding the Fourth Proportional to 855,114.99, 1,282,872.08 and 247,915.96
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Solution
The fourth proportional to 855,114.99, 1,282,872.08 and 247,915.96 is: 371,931.80
Step by Step Solution
- Step 1: Write the proportion equation
855,114.99 : 1,282,872.08 = 247,915.96 : x - Step 2: Convert to fraction form
855,114.99/1,282,872.08 = 247,915.96/x - Step 3: Cross multiply
855,114.99x = 1,282,872.08 × 247,915.96 - Step 4: Simplify right side
855,114.99x = 318,044,459,288.48 - Step 5: Solve for x
x = 318,044,459,288.48/855,114.99 - Step 6: Final answer
x = 371,931.80
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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.