Finding the Fourth Proportional to 193,588.75, 290,394.06 and 68,929.75
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Solution
The fourth proportional to 193,588.75, 290,394.06 and 68,929.75 is: 103,398.52
Step by Step Solution
- Step 1: Write the proportion equation
193,588.75 : 290,394.06 = 68,929.75 : x - Step 2: Convert to fraction form
193,588.75/290,394.06 = 68,929.75/x - Step 3: Cross multiply
193,588.75x = 290,394.06 × 68,929.75 - Step 4: Simplify right side
193,588.75x = 20,016,789,957.29 - Step 5: Solve for x
x = 20,016,789,957.29/193,588.75 - Step 6: Final answer
x = 103,398.52
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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.