Finding the Fourth Proportional to 159,207.22, 219,737.36 and 91,269.80
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Solution
The fourth proportional to 159,207.22, 219,737.36 and 91,269.80 is: 125,970.33
Step by Step Solution
- Step 1: Write the proportion equation
159,207.22 : 219,737.36 = 91,269.80 : x - Step 2: Convert to fraction form
159,207.22/219,737.36 = 91,269.80/x - Step 3: Cross multiply
159,207.22x = 219,737.36 × 91,269.80 - Step 4: Simplify right side
159,207.22x = 20,055,385,575.86 - Step 5: Solve for x
x = 20,055,385,575.86/159,207.22 - Step 6: Final answer
x = 125,970.33
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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.