Finding the Fourth Proportional to 751,891.62, 1,127,903.73 and 212,152.67
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Solution
The fourth proportional to 751,891.62, 1,127,903.73 and 212,152.67 is: 318,247.71
Step by Step Solution
- Step 1: Write the proportion equation
751,891.62 : 1,127,903.73 = 212,152.67 : x - Step 2: Convert to fraction form
751,891.62/1,127,903.73 = 212,152.67/x - Step 3: Cross multiply
751,891.62x = 1,127,903.73 × 212,152.67 - Step 4: Simplify right side
751,891.62x = 239,287,785,617.01 - Step 5: Solve for x
x = 239,287,785,617.01/751,891.62 - Step 6: Final answer
x = 318,247.71
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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.