Finding the Fourth Proportional to 114,307.67, 171,433.82 and 47,711.70
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Solution
The fourth proportional to 114,307.67, 171,433.82 and 47,711.70 is: 71,555.99
Step by Step Solution
- Step 1: Write the proportion equation
114,307.67 : 171,433.82 = 47,711.70 : x - Step 2: Convert to fraction form
114,307.67/171,433.82 = 47,711.70/x - Step 3: Cross multiply
114,307.67x = 171,433.82 × 47,711.70 - Step 4: Simplify right side
114,307.67x = 8,179,398,870.41 - Step 5: Solve for x
x = 8,179,398,870.41/114,307.67 - Step 6: Final answer
x = 71,555.99
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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.