Finding the Fourth Proportional to 159,095.48, 219,557.42 and 87,480.96
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Solution
The fourth proportional to 159,095.48, 219,557.42 and 87,480.96 is: 120,726.84
Step by Step Solution
- Step 1: Write the proportion equation
159,095.48 : 219,557.42 = 87,480.96 : x - Step 2: Convert to fraction form
159,095.48/219,557.42 = 87,480.96/x - Step 3: Cross multiply
159,095.48x = 219,557.42 × 87,480.96 - Step 4: Simplify right side
159,095.48x = 19,207,093,876.72 - Step 5: Solve for x
x = 19,207,093,876.72/159,095.48 - Step 6: Final answer
x = 120,726.84
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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.