Finding the Fourth Proportional to 349,410.84, 482,186.79 and 198,507.84
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Solution
The fourth proportional to 349,410.84, 482,186.79 and 198,507.84 is: 273,940.72
Step by Step Solution
- Step 1: Write the proportion equation
349,410.84 : 482,186.79 = 198,507.84 : x - Step 2: Convert to fraction form
349,410.84/482,186.79 = 198,507.84/x - Step 3: Cross multiply
349,410.84x = 482,186.79 × 198,507.84 - Step 4: Simplify right side
349,410.84x = 95,717,858,159.43 - Step 5: Solve for x
x = 95,717,858,159.43/349,410.84 - Step 6: Final answer
x = 273,940.72
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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.