Finding the Fourth Proportional to 511,058.49, 705,231.59 and 293,220.99
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Solution
The fourth proportional to 511,058.49, 705,231.59 and 293,220.99 is: 404,628.25
Step by Step Solution
- Step 1: Write the proportion equation
511,058.49 : 705,231.59 = 293,220.99 : x - Step 2: Convert to fraction form
511,058.49/705,231.59 = 293,220.99/x - Step 3: Cross multiply
511,058.49x = 705,231.59 × 293,220.99 - Step 4: Simplify right side
511,058.49x = 206,788,702,374.19 - Step 5: Solve for x
x = 206,788,702,374.19/511,058.49 - Step 6: Final answer
x = 404,628.25
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1.5x scale
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.