Finding the Fourth Proportional to 378,345.16, 522,120.36 and 208,585.36
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Solution
The fourth proportional to 378,345.16, 522,120.36 and 208,585.36 is: 287,850.02
Step by Step Solution
- Step 1: Write the proportion equation
378,345.16 : 522,120.36 = 208,585.36 : x - Step 2: Convert to fraction form
378,345.16/522,120.36 = 208,585.36/x - Step 3: Cross multiply
378,345.16x = 522,120.36 × 208,585.36 - Step 4: Simplify right side
378,345.16x = 108,906,663,253.93 - Step 5: Solve for x
x = 108,906,663,253.93/378,345.16 - Step 6: Final answer
x = 287,850.02
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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.