Finding the Fourth Proportional to 371,703.20, 557,554.80 and 259,728.80
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Solution
The fourth proportional to 371,703.20, 557,554.80 and 259,728.80 is: 389,593.20
Step by Step Solution
- Step 1: Write the proportion equation
371,703.20 : 557,554.80 = 259,728.80 : x - Step 2: Convert to fraction form
371,703.20/557,554.80 = 259,728.80/x - Step 3: Cross multiply
371,703.20x = 557,554.80 × 259,728.80 - Step 4: Simplify right side
371,703.20x = 144,813,039,138.24 - Step 5: Solve for x
x = 144,813,039,138.24/371,703.20 - Step 6: Final answer
x = 389,593.20
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1.5x scale
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.