Finding the Fourth Proportional to 296,424.70, 409,067.08 and 160,458.62
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Solution
The fourth proportional to 296,424.70, 409,067.08 and 160,458.62 is: 221,433.43
Step by Step Solution
- Step 1: Write the proportion equation
296,424.70 : 409,067.08 = 160,458.62 : x - Step 2: Convert to fraction form
296,424.70/409,067.08 = 160,458.62/x - Step 3: Cross multiply
296,424.70x = 409,067.08 × 160,458.62 - Step 4: Simplify right side
296,424.70x = 65,638,339,144.23 - Step 5: Solve for x
x = 65,638,339,144.23/296,424.70 - Step 6: Final answer
x = 221,433.43
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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.