Finding the Fourth Proportional to 718,773.60, 1,078,159.36 and 186,295.14
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Solution
The fourth proportional to 718,773.60, 1,078,159.36 and 186,295.14 is: 279,442.44
Step by Step Solution
- Step 1: Write the proportion equation
718,773.60 : 1,078,159.36 = 186,295.14 : x - Step 2: Convert to fraction form
718,773.60/1,078,159.36 = 186,295.14/x - Step 3: Cross multiply
718,773.60x = 1,078,159.36 × 186,295.14 - Step 4: Simplify right side
718,773.60x = 200,855,848,797.08 - Step 5: Solve for x
x = 200,855,848,797.08/718,773.60 - Step 6: Final answer
x = 279,442.44
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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.