Finding the Fourth Proportional to 547,053.48, 754,971.84 and 305,383.23
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Solution
The fourth proportional to 547,053.48, 754,971.84 and 305,383.23 is: 421,450.09
Step by Step Solution
- Step 1: Write the proportion equation
547,053.48 : 754,971.84 = 305,383.23 : x - Step 2: Convert to fraction form
547,053.48/754,971.84 = 305,383.23/x - Step 3: Cross multiply
547,053.48x = 754,971.84 × 305,383.23 - Step 4: Simplify right side
547,053.48x = 230,555,739,058.24 - Step 5: Solve for x
x = 230,555,739,058.24/547,053.48 - Step 6: Final answer
x = 421,450.09
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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.