Finding the Fourth Proportional to 476,077.68, 656,987.21 and 272,133.02
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Solution
The fourth proportional to 476,077.68, 656,987.21 and 272,133.02 is: 375,543.58
Step by Step Solution
- Step 1: Write the proportion equation
476,077.68 : 656,987.21 = 272,133.02 : x - Step 2: Convert to fraction form
476,077.68/656,987.21 = 272,133.02/x - Step 3: Cross multiply
476,077.68x = 656,987.21 × 272,133.02 - Step 4: Simplify right side
476,077.68x = 178,787,915,514.26 - Step 5: Solve for x
x = 178,787,915,514.26/476,077.68 - Step 6: Final answer
x = 375,543.58
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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.