Finding the Fourth Proportional to 159,853.05, 220,596.01 and 88,233.05
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Solution
The fourth proportional to 159,853.05, 220,596.01 and 88,233.05 is: 121,760.95
Step by Step Solution
- Step 1: Write the proportion equation
159,853.05 : 220,596.01 = 88,233.05 : x - Step 2: Convert to fraction form
159,853.05/220,596.01 = 88,233.05/x - Step 3: Cross multiply
159,853.05x = 220,596.01 × 88,233.05 - Step 4: Simplify right side
159,853.05x = 19,463,859,111.04 - Step 5: Solve for x
x = 19,463,859,111.04/159,853.05 - Step 6: Final answer
x = 121,760.95
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1.5x scale
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.