Finding the Fourth Proportional to 372,609.92, 514,268.80 and 219,639.06
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Solution
The fourth proportional to 372,609.92, 514,268.80 and 219,639.06 is: 303,141.46
Step by Step Solution
- Step 1: Write the proportion equation
372,609.92 : 514,268.80 = 219,639.06 : x - Step 2: Convert to fraction form
372,609.92/514,268.80 = 219,639.06/x - Step 3: Cross multiply
372,609.92x = 514,268.80 × 219,639.06 - Step 4: Simplify right side
372,609.92x = 112,953,515,270.23 - Step 5: Solve for x
x = 112,953,515,270.23/372,609.92 - Step 6: Final answer
x = 303,141.46
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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.