Finding the Fourth Proportional to 376,506.09, 519,577.34 and 225,603.09
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Solution
The fourth proportional to 376,506.09, 519,577.34 and 225,603.09 is: 311,331.62
Step by Step Solution
- Step 1: Write the proportion equation
376,506.09 : 519,577.34 = 225,603.09 : x - Step 2: Convert to fraction form
376,506.09/519,577.34 = 225,603.09/x - Step 3: Cross multiply
376,506.09x = 519,577.34 × 225,603.09 - Step 4: Simplify right side
376,506.09x = 117,218,252,269.97 - Step 5: Solve for x
x = 117,218,252,269.97/376,506.09 - Step 6: Final answer
x = 311,331.62
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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.