Finding the Fourth Proportional to 492,968.47, 680,296.49 and 266,613.97
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Solution
The fourth proportional to 492,968.47, 680,296.49 and 266,613.97 is: 367,927.28
Step by Step Solution
- Step 1: Write the proportion equation
492,968.47 : 680,296.49 = 266,613.97 : x - Step 2: Convert to fraction form
492,968.47/680,296.49 = 266,613.97/x - Step 3: Cross multiply
492,968.47x = 680,296.49 × 266,613.97 - Step 4: Simplify right side
492,968.47x = 181,376,550,343.24 - Step 5: Solve for x
x = 181,376,550,343.24/492,968.47 - Step 6: Final answer
x = 367,927.28
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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.