Finding the Fourth Proportional to 212,951.16, 294,004.62 and 149,545.08
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Solution
The fourth proportional to 212,951.16, 294,004.62 and 149,545.08 is: 206,464.92
Step by Step Solution
- Step 1: Write the proportion equation
212,951.16 : 294,004.62 = 149,545.08 : x - Step 2: Convert to fraction form
212,951.16/294,004.62 = 149,545.08/x - Step 3: Cross multiply
212,951.16x = 294,004.62 × 149,545.08 - Step 4: Simplify right side
212,951.16x = 43,966,944,418.27 - Step 5: Solve for x
x = 43,966,944,418.27/212,951.16 - Step 6: Final answer
x = 206,464.92
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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.