Finding the Fourth Proportional to 252,741.84, 348,860.96 and 155,975.28
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Solution
The fourth proportional to 252,741.84, 348,860.96 and 155,975.28 is: 215,293.54
Step by Step Solution
- Step 1: Write the proportion equation
252,741.84 : 348,860.96 = 155,975.28 : x - Step 2: Convert to fraction form
252,741.84/348,860.96 = 155,975.28/x - Step 3: Cross multiply
252,741.84x = 348,860.96 × 155,975.28 - Step 4: Simplify right side
252,741.84x = 54,413,685,917.07 - Step 5: Solve for x
x = 54,413,685,917.07/252,741.84 - Step 6: Final answer
x = 215,293.54
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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.