Finding the Fourth Proportional to 151,595.13, 209,283.30 and 91,179.26
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Solution
The fourth proportional to 151,595.13, 209,283.30 and 91,179.26 is: 125,876.70
Step by Step Solution
- Step 1: Write the proportion equation
151,595.13 : 209,283.30 = 91,179.26 : x - Step 2: Convert to fraction form
151,595.13/209,283.30 = 91,179.26/x - Step 3: Cross multiply
151,595.13x = 209,283.30 × 91,179.26 - Step 4: Simplify right side
151,595.13x = 19,082,295,377.94 - Step 5: Solve for x
x = 19,082,295,377.94/151,595.13 - Step 6: Final answer
x = 125,876.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.