Finding the Fourth Proportional to 159,638.28, 220,302.36 and 88,021.14
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Solution
The fourth proportional to 159,638.28, 220,302.36 and 88,021.14 is: 121,470.02
Step by Step Solution
- Step 1: Write the proportion equation
159,638.28 : 220,302.36 = 88,021.14 : x - Step 2: Convert to fraction form
159,638.28/220,302.36 = 88,021.14/x - Step 3: Cross multiply
159,638.28x = 220,302.36 × 88,021.14 - Step 4: Simplify right side
159,638.28x = 19,391,264,871.89 - Step 5: Solve for x
x = 19,391,264,871.89/159,638.28 - Step 6: Final answer
x = 121,470.02
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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.