Finding the Fourth Proportional to 143,298.24, 214,855.20 and 68,377.92
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Solution
The fourth proportional to 143,298.24, 214,855.20 and 68,377.92 is: 102,522.90
Step by Step Solution
- Step 1: Write the proportion equation
143,298.24 : 214,855.20 = 68,377.92 : x - Step 2: Convert to fraction form
143,298.24/214,855.20 = 68,377.92/x - Step 3: Cross multiply
143,298.24x = 214,855.20 × 68,377.92 - Step 4: Simplify right side
143,298.24x = 14,691,351,677.18 - Step 5: Solve for x
x = 14,691,351,677.18/143,298.24 - Step 6: Final answer
x = 102,522.90
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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.