Finding the Fourth Proportional to 405,114.75, 559,058.36 and 226,266.75
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Solution
The fourth proportional to 405,114.75, 559,058.36 and 226,266.75 is: 312,248.12
Step by Step Solution
- Step 1: Write the proportion equation
405,114.75 : 559,058.36 = 226,266.75 : x - Step 2: Convert to fraction form
405,114.75/559,058.36 = 226,266.75/x - Step 3: Cross multiply
405,114.75x = 559,058.36 × 226,266.75 - Step 4: Simplify right side
405,114.75x = 126,496,317,046.20 - Step 5: Solve for x
x = 126,496,317,046.20/405,114.75 - Step 6: Final answer
x = 312,248.12
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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.