Finding the Fourth Proportional to 718,463.93, 1,077,721.36 and 178,723.02
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Solution
The fourth proportional to 718,463.93, 1,077,721.36 and 178,723.02 is: 268,090.86
Step by Step Solution
- Step 1: Write the proportion equation
718,463.93 : 1,077,721.36 = 178,723.02 : x - Step 2: Convert to fraction form
718,463.93/1,077,721.36 = 178,723.02/x - Step 3: Cross multiply
718,463.93x = 1,077,721.36 × 178,723.02 - Step 4: Simplify right side
718,463.93x = 192,613,615,284.09 - Step 5: Solve for x
x = 192,613,615,284.09/718,463.93 - Step 6: Final answer
x = 268,090.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.