Finding the Fourth Proportional to 349,803.05, 482,690.99 and 196,838.57
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Solution
The fourth proportional to 349,803.05, 482,690.99 and 196,838.57 is: 271,616.28
Step by Step Solution
- Step 1: Write the proportion equation
349,803.05 : 482,690.99 = 196,838.57 : x - Step 2: Convert to fraction form
349,803.05/482,690.99 = 196,838.57/x - Step 3: Cross multiply
349,803.05x = 482,690.99 × 196,838.57 - Step 4: Simplify right side
349,803.05x = 95,012,204,223.48 - Step 5: Solve for x
x = 95,012,204,223.48/349,803.05 - Step 6: Final answer
x = 271,616.28
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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.