Finding the Fourth Proportional to 211,511.70, 316,644.24 and 185,267.70
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Solution
The fourth proportional to 211,511.70, 316,644.24 and 185,267.70 is: 277,355.58
Step by Step Solution
- Step 1: Write the proportion equation
211,511.70 : 316,644.24 = 185,267.70 : x - Step 2: Convert to fraction form
211,511.70/316,644.24 = 185,267.70/x - Step 3: Cross multiply
211,511.70x = 316,644.24 × 185,267.70 - Step 4: Simplify right side
211,511.70x = 58,663,950,063.05 - Step 5: Solve for x
x = 58,663,950,063.05/211,511.70 - Step 6: Final answer
x = 277,355.58
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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.