Finding the Fourth Proportional to 194,585.76, 291,893.04 and 68,212.08
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Solution
The fourth proportional to 194,585.76, 291,893.04 and 68,212.08 is: 102,323.17
Step by Step Solution
- Step 1: Write the proportion equation
194,585.76 : 291,893.04 = 68,212.08 : x - Step 2: Convert to fraction form
194,585.76/291,893.04 = 68,212.08/x - Step 3: Cross multiply
194,585.76x = 291,893.04 × 68,212.08 - Step 4: Simplify right side
194,585.76x = 19,910,631,395.92 - Step 5: Solve for x
x = 19,910,631,395.92/194,585.76 - Step 6: Final answer
x = 102,323.17
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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.