Finding the Fourth Proportional to 405,331.92, 559,341.36 and 235,553.04
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Solution
The fourth proportional to 405,331.92, 559,341.36 and 235,553.04 is: 325,053.50
Step by Step Solution
- Step 1: Write the proportion equation
405,331.92 : 559,341.36 = 235,553.04 : x - Step 2: Convert to fraction form
405,331.92/559,341.36 = 235,553.04/x - Step 3: Cross multiply
405,331.92x = 559,341.36 × 235,553.04 - Step 4: Simplify right side
405,331.92x = 131,754,557,745.73 - Step 5: Solve for x
x = 131,754,557,745.73/405,331.92 - Step 6: Final answer
x = 325,053.50
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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.