Finding the Fourth Proportional to 159,659.48, 220,331.58 and 88,042.07
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Solution
The fourth proportional to 159,659.48, 220,331.58 and 88,042.07 is: 121,498.88
Step by Step Solution
- Step 1: Write the proportion equation
159,659.48 : 220,331.58 = 88,042.07 : x - Step 2: Convert to fraction form
159,659.48/220,331.58 = 88,042.07/x - Step 3: Cross multiply
159,659.48x = 220,331.58 × 88,042.07 - Step 4: Simplify right side
159,659.48x = 19,398,448,389.57 - Step 5: Solve for x
x = 19,398,448,389.57/159,659.48 - Step 6: Final answer
x = 121,498.88
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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.