Finding the Fourth Proportional to 193,342.87, 290,129.12 and 104,594.41
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Solution
The fourth proportional to 193,342.87, 290,129.12 and 104,594.41 is: 156,953.73
Step by Step Solution
- Step 1: Write the proportion equation
193,342.87 : 290,129.12 = 104,594.41 : x - Step 2: Convert to fraction form
193,342.87/290,129.12 = 104,594.41/x - Step 3: Cross multiply
193,342.87x = 290,129.12 × 104,594.41 - Step 4: Simplify right side
193,342.87x = 30,345,884,130.22 - Step 5: Solve for x
x = 30,345,884,130.22/193,342.87 - Step 6: Final answer
x = 156,953.73
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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.