Finding the Fourth Proportional to 267,142.16, 400,916.36 and 98,821.68
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Solution
The fourth proportional to 267,142.16, 400,916.36 and 98,821.68 is: 148,307.66
Step by Step Solution
- Step 1: Write the proportion equation
267,142.16 : 400,916.36 = 98,821.68 : x - Step 2: Convert to fraction form
267,142.16/400,916.36 = 98,821.68/x - Step 3: Cross multiply
267,142.16x = 400,916.36 × 98,821.68 - Step 4: Simplify right side
267,142.16x = 39,619,228,234.68 - Step 5: Solve for x
x = 39,619,228,234.68/267,142.16 - Step 6: Final answer
x = 148,307.66
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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.