Finding the Fourth Proportional to 193,387.36, 290,196.08 and 104,639.08
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Solution
The fourth proportional to 193,387.36, 290,196.08 and 104,639.08 is: 157,020.87
Step by Step Solution
- Step 1: Write the proportion equation
193,387.36 : 290,196.08 = 104,639.08 : x - Step 2: Convert to fraction form
193,387.36/290,196.08 = 104,639.08/x - Step 3: Cross multiply
193,387.36x = 290,196.08 × 104,639.08 - Step 4: Simplify right side
193,387.36x = 30,365,850,830.81 - Step 5: Solve for x
x = 30,365,850,830.81/193,387.36 - Step 6: Final answer
x = 157,020.87
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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.