Finding the Fourth Proportional to 193,594.75, 290,403.06 and 68,935.75
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Solution
The fourth proportional to 193,594.75, 290,403.06 and 68,935.75 is: 103,407.52
Step by Step Solution
- Step 1: Write the proportion equation
193,594.75 : 290,403.06 = 68,935.75 : x - Step 2: Convert to fraction form
193,594.75/290,403.06 = 68,935.75/x - Step 3: Cross multiply
193,594.75x = 290,403.06 × 68,935.75 - Step 4: Simplify right side
193,594.75x = 20,019,152,743.40 - Step 5: Solve for x
x = 20,019,152,743.40/193,594.75 - Step 6: Final answer
x = 103,407.52
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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.