Finding the Fourth Proportional to 239,618.75, 330,673.88 and 133,634.75
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Solution
The fourth proportional to 239,618.75, 330,673.88 and 133,634.75 is: 184,415.96
Step by Step Solution
- Step 1: Write the proportion equation
239,618.75 : 330,673.88 = 133,634.75 : x - Step 2: Convert to fraction form
239,618.75/330,673.88 = 133,634.75/x - Step 3: Cross multiply
239,618.75x = 330,673.88 × 133,634.75 - Step 4: Simplify right side
239,618.75x = 44,189,521,285.33 - Step 5: Solve for x
x = 44,189,521,285.33/239,618.75 - Step 6: Final answer
x = 184,415.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.