Finding the Fourth Proportional to 159,715.36, 238,963.92 and 96,302.08
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Solution
The fourth proportional to 159,715.36, 238,963.92 and 96,302.08 is: 144,085.84
Step by Step Solution
- Step 1: Write the proportion equation
159,715.36 : 238,963.92 = 96,302.08 : x - Step 2: Convert to fraction form
159,715.36/238,963.92 = 96,302.08/x - Step 3: Cross multiply
159,715.36x = 238,963.92 × 96,302.08 - Step 4: Simplify right side
159,715.36x = 23,012,722,540.95 - Step 5: Solve for x
x = 23,012,722,540.95/159,715.36 - Step 6: Final answer
x = 144,085.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.