Finding the Fourth Proportional to 138,185.79, 207,276.37 and 62,242.09
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Solution
The fourth proportional to 138,185.79, 207,276.37 and 62,242.09 is: 93,362.09
Step by Step Solution
- Step 1: Write the proportion equation
138,185.79 : 207,276.37 = 62,242.09 : x - Step 2: Convert to fraction form
138,185.79/207,276.37 = 62,242.09/x - Step 3: Cross multiply
138,185.79x = 207,276.37 × 62,242.09 - Step 4: Simplify right side
138,185.79x = 12,901,314,476.41 - Step 5: Solve for x
x = 12,901,314,476.41/138,185.79 - Step 6: Final answer
x = 93,362.09
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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.