Finding the Fourth Proportional to 342,719.79, 472,804.41 and 206,678.14
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Solution
The fourth proportional to 342,719.79, 472,804.41 and 206,678.14 is: 285,126.03
Step by Step Solution
- Step 1: Write the proportion equation
342,719.79 : 472,804.41 = 206,678.14 : x - Step 2: Convert to fraction form
342,719.79/472,804.41 = 206,678.14/x - Step 3: Cross multiply
342,719.79x = 472,804.41 × 206,678.14 - Step 4: Simplify right side
342,719.79x = 97,718,333,974.08 - Step 5: Solve for x
x = 97,718,333,974.08/342,719.79 - Step 6: Final answer
x = 285,126.03
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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.