Finding the Fourth Proportional to 193,389.36, 290,199.08 and 104,641.08
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Solution
The fourth proportional to 193,389.36, 290,199.08 and 104,641.08 is: 157,023.87
Step by Step Solution
- Step 1: Write the proportion equation
193,389.36 : 290,199.08 = 104,641.08 : x - Step 2: Convert to fraction form
193,389.36/290,199.08 = 104,641.08/x - Step 3: Cross multiply
193,389.36x = 290,199.08 × 104,641.08 - Step 4: Simplify right side
193,389.36x = 30,366,745,146.21 - Step 5: Solve for x
x = 30,366,745,146.21/193,389.36 - Step 6: Final answer
x = 157,023.87
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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.