Finding the Fourth Proportional to 87,296.40, 120,463.14 and 51,484.68
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Solution
The fourth proportional to 87,296.40, 120,463.14 and 51,484.68 is: 71,045.38
Step by Step Solution
- Step 1: Write the proportion equation
87,296.40 : 120,463.14 = 51,484.68 : x - Step 2: Convert to fraction form
87,296.40/120,463.14 = 51,484.68/x - Step 3: Cross multiply
87,296.40x = 120,463.14 × 51,484.68 - Step 4: Simplify right side
87,296.40x = 6,202,006,214.70 - Step 5: Solve for x
x = 6,202,006,214.70/87,296.40 - Step 6: Final answer
x = 71,045.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.