Finding the Fourth Proportional to 476,056.78, 656,958.33 and 272,112.08
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Solution
The fourth proportional to 476,056.78, 656,958.33 and 272,112.08 is: 375,514.65
Step by Step Solution
- Step 1: Write the proportion equation
476,056.78 : 656,958.33 = 272,112.08 : x - Step 2: Convert to fraction form
476,056.78/656,958.33 = 272,112.08/x - Step 3: Cross multiply
476,056.78x = 656,958.33 × 272,112.08 - Step 4: Simplify right side
476,056.78x = 178,766,294,364.84 - Step 5: Solve for x
x = 178,766,294,364.84/476,056.78 - Step 6: Final answer
x = 375,514.65
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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.