Finding the Fourth Proportional to 531,082.61, 796,991.82 and 211,201.70
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Solution
The fourth proportional to 531,082.61, 796,991.82 and 211,201.70 is: 316,948.85
Step by Step Solution
- Step 1: Write the proportion equation
531,082.61 : 796,991.82 = 211,201.70 : x - Step 2: Convert to fraction form
531,082.61/796,991.82 = 211,201.70/x - Step 3: Cross multiply
531,082.61x = 796,991.82 × 211,201.70 - Step 4: Simplify right side
531,082.61x = 168,326,023,285.14 - Step 5: Solve for x
x = 168,326,023,285.14/531,082.61 - Step 6: Final answer
x = 316,948.85
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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.