Finding the Fourth Proportional to 146,779.92, 202,544.82 and 86,352.84
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Solution
The fourth proportional to 146,779.92, 202,544.82 and 86,352.84 is: 119,160.17
Step by Step Solution
- Step 1: Write the proportion equation
146,779.92 : 202,544.82 = 86,352.84 : x - Step 2: Convert to fraction form
146,779.92/202,544.82 = 86,352.84/x - Step 3: Cross multiply
146,779.92x = 202,544.82 × 86,352.84 - Step 4: Simplify right side
146,779.92x = 17,490,320,434.29 - Step 5: Solve for x
x = 17,490,320,434.29/146,779.92 - Step 6: Final answer
x = 119,160.17
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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.