Finding the Fourth Proportional to 277,178.25, 382,505.99 and 149,853.84
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Solution
The fourth proportional to 277,178.25, 382,505.99 and 149,853.84 is: 206,798.30
Step by Step Solution
- Step 1: Write the proportion equation
277,178.25 : 382,505.99 = 149,853.84 : x - Step 2: Convert to fraction form
277,178.25/382,505.99 = 149,853.84/x - Step 3: Cross multiply
277,178.25x = 382,505.99 × 149,853.84 - Step 4: Simplify right side
277,178.25x = 57,319,990,675.23 - Step 5: Solve for x
x = 57,319,990,675.23/277,178.25 - Step 6: Final answer
x = 206,798.30
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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.