Finding the Fourth Proportional to 175,284.42, 242,009.28 and 103,687.44
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Solution
The fourth proportional to 175,284.42, 242,009.28 and 103,687.44 is: 143,157.75
Step by Step Solution
- Step 1: Write the proportion equation
175,284.42 : 242,009.28 = 103,687.44 : x - Step 2: Convert to fraction form
175,284.42/242,009.28 = 103,687.44/x - Step 3: Cross multiply
175,284.42x = 242,009.28 × 103,687.44 - Step 4: Simplify right side
175,284.42x = 25,093,322,699.44 - Step 5: Solve for x
x = 25,093,322,699.44/175,284.42 - Step 6: Final answer
x = 143,157.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.