Finding the Fourth Proportional to 311,930.70, 467,118.45 and 249,722.70
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Solution
The fourth proportional to 311,930.70, 467,118.45 and 249,722.70 is: 373,961.53
Step by Step Solution
- Step 1: Write the proportion equation
311,930.70 : 467,118.45 = 249,722.70 : x - Step 2: Convert to fraction form
311,930.70/467,118.45 = 249,722.70/x - Step 3: Cross multiply
311,930.70x = 467,118.45 × 249,722.70 - Step 4: Simplify right side
311,930.70x = 116,650,080,553.82 - Step 5: Solve for x
x = 116,650,080,553.82/311,930.70 - Step 6: Final answer
x = 373,961.53
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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.