Finding the Fourth Proportional to 400,976.63, 553,261.63 and 237,684.62
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Solution
The fourth proportional to 400,976.63, 553,261.63 and 237,684.62 is: 327,953.73
Step by Step Solution
- Step 1: Write the proportion equation
400,976.63 : 553,261.63 = 237,684.62 : x - Step 2: Convert to fraction form
400,976.63/553,261.63 = 237,684.62/x - Step 3: Cross multiply
400,976.63x = 553,261.63 × 237,684.62 - Step 4: Simplify right side
400,976.63x = 131,501,780,287.13 - Step 5: Solve for x
x = 131,501,780,287.13/400,976.63 - Step 6: Final answer
x = 327,953.73
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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.