Finding the Fourth Proportional to 193,557.08, 290,377.12 and 67,201.32
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Solution
The fourth proportional to 193,557.08, 290,377.12 and 67,201.32 is: 100,816.39
Step by Step Solution
- Step 1: Write the proportion equation
193,557.08 : 290,377.12 = 67,201.32 : x - Step 2: Convert to fraction form
193,557.08/290,377.12 = 67,201.32/x - Step 3: Cross multiply
193,557.08x = 290,377.12 × 67,201.32 - Step 4: Simplify right side
193,557.08x = 19,513,725,761.80 - Step 5: Solve for x
x = 19,513,725,761.80/193,557.08 - Step 6: Final answer
x = 100,816.39
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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.