Finding the Fourth Proportional to 775,090.62, 1,162,657.80 and 214,125.12
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Solution
The fourth proportional to 775,090.62, 1,162,657.80 and 214,125.12 is: 321,193.72
Step by Step Solution
- Step 1: Write the proportion equation
775,090.62 : 1,162,657.80 = 214,125.12 : x - Step 2: Convert to fraction form
775,090.62/1,162,657.80 = 214,125.12/x - Step 3: Cross multiply
775,090.62x = 1,162,657.80 × 214,125.12 - Step 4: Simplify right side
775,090.62x = 248,954,240,943.94 - Step 5: Solve for x
x = 248,954,240,943.94/775,090.62 - Step 6: Final answer
x = 321,193.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.