Finding the Fourth Proportional to 267,000.51, 400,658.31 and 98,639.99
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Solution
The fourth proportional to 267,000.51, 400,658.31 and 98,639.99 is: 148,018.19
Step by Step Solution
- Step 1: Write the proportion equation
267,000.51 : 400,658.31 = 98,639.99 : x - Step 2: Convert to fraction form
267,000.51/400,658.31 = 98,639.99/x - Step 3: Cross multiply
267,000.51x = 400,658.31 × 98,639.99 - Step 4: Simplify right side
267,000.51x = 39,520,931,691.82 - Step 5: Solve for x
x = 39,520,931,691.82/267,000.51 - Step 6: Final answer
x = 148,018.19
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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.