Finding the Fourth Proportional to 204,455.70, 306,683.55 and 56,711.70
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Solution
The fourth proportional to 204,455.70, 306,683.55 and 56,711.70 is: 85,067.55
Step by Step Solution
- Step 1: Write the proportion equation
204,455.70 : 306,683.55 = 56,711.70 : x - Step 2: Convert to fraction form
204,455.70/306,683.55 = 56,711.70/x - Step 3: Cross multiply
204,455.70x = 306,683.55 × 56,711.70 - Step 4: Simplify right side
204,455.70x = 17,392,545,482.54 - Step 5: Solve for x
x = 17,392,545,482.54/204,455.70 - Step 6: Final answer
x = 85,067.55
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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.