Finding the Fourth Proportional to 118,424.68, 177,549.18 and 71,666.44
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Solution
The fourth proportional to 118,424.68, 177,549.18 and 71,666.44 is: 107,446.50
Step by Step Solution
- Step 1: Write the proportion equation
118,424.68 : 177,549.18 = 71,666.44 : x - Step 2: Convert to fraction form
118,424.68/177,549.18 = 71,666.44/x - Step 3: Cross multiply
118,424.68x = 177,549.18 × 71,666.44 - Step 4: Simplify right side
118,424.68x = 12,724,317,655.52 - Step 5: Solve for x
x = 12,724,317,655.52/118,424.68 - Step 6: Final answer
x = 107,446.50
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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.