Finding the Fourth Proportional to 479,226.10, 718,716.12 and 142,187.02
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Solution
The fourth proportional to 479,226.10, 718,716.12 and 142,187.02 is: 213,244.03
Step by Step Solution
- Step 1: Write the proportion equation
479,226.10 : 718,716.12 = 142,187.02 : x - Step 2: Convert to fraction form
479,226.10/718,716.12 = 142,187.02/x - Step 3: Cross multiply
479,226.10x = 718,716.12 × 142,187.02 - Step 4: Simplify right side
479,226.10x = 102,192,103,328.76 - Step 5: Solve for x
x = 102,192,103,328.76/479,226.10 - Step 6: Final answer
x = 213,244.03
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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.