Finding the Fourth Proportional to 942,399.14, 1,413,365.16 and 268,486.28
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Solution
The fourth proportional to 942,399.14, 1,413,365.16 and 268,486.28 is: 402,662.88
Step by Step Solution
- Step 1: Write the proportion equation
942,399.14 : 1,413,365.16 = 268,486.28 : x - Step 2: Convert to fraction form
942,399.14/1,413,365.16 = 268,486.28/x - Step 3: Cross multiply
942,399.14x = 1,413,365.16 × 268,486.28 - Step 4: Simplify right side
942,399.14x = 379,469,153,549.37 - Step 5: Solve for x
x = 379,469,153,549.37/942,399.14 - Step 6: Final answer
x = 402,662.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.