Finding the Fourth Proportional to 122,468.99, 183,715.10 and 47,594.91
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Solution
The fourth proportional to 122,468.99, 183,715.10 and 47,594.91 is: 71,396.89
Step by Step Solution
- Step 1: Write the proportion equation
122,468.99 : 183,715.10 = 47,594.91 : x - Step 2: Convert to fraction form
122,468.99/183,715.10 = 47,594.91/x - Step 3: Cross multiply
122,468.99x = 183,715.10 × 47,594.91 - Step 4: Simplify right side
122,468.99x = 8,743,904,101.10 - Step 5: Solve for x
x = 8,743,904,101.10/122,468.99 - Step 6: Final answer
x = 71,396.89
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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.