Finding the Fourth Proportional to 107,356.80, 161,063.04 and 40,798.08
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Solution
The fourth proportional to 107,356.80, 161,063.04 and 40,798.08 is: 61,207.70
Step by Step Solution
- Step 1: Write the proportion equation
107,356.80 : 161,063.04 = 40,798.08 : x - Step 2: Convert to fraction form
107,356.80/161,063.04 = 40,798.08/x - Step 3: Cross multiply
107,356.80x = 161,063.04 × 40,798.08 - Step 4: Simplify right side
107,356.80x = 6,571,062,790.96 - Step 5: Solve for x
x = 6,571,062,790.96/107,356.80 - Step 6: Final answer
x = 61,207.70
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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.