Finding the Fourth Proportional to 311,921.70, 467,104.95 and 249,713.70
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Solution
The fourth proportional to 311,921.70, 467,104.95 and 249,713.70 is: 373,948.03
Step by Step Solution
- Step 1: Write the proportion equation
311,921.70 : 467,104.95 = 249,713.70 : x - Step 2: Convert to fraction form
311,921.70/467,104.95 = 249,713.70/x - Step 3: Cross multiply
311,921.70x = 467,104.95 × 249,713.70 - Step 4: Simplify right side
311,921.70x = 116,642,505,352.82 - Step 5: Solve for x
x = 116,642,505,352.82/311,921.70 - Step 6: Final answer
x = 373,948.03
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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.