Finding the Fourth Proportional to 247,239.68, 341,176.48 and 145,249.28
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Solution
The fourth proportional to 247,239.68, 341,176.48 and 145,249.28 is: 200,435.62
Step by Step Solution
- Step 1: Write the proportion equation
247,239.68 : 341,176.48 = 145,249.28 : x - Step 2: Convert to fraction form
247,239.68/341,176.48 = 145,249.28/x - Step 3: Cross multiply
247,239.68x = 341,176.48 × 145,249.28 - Step 4: Simplify right side
247,239.68x = 49,555,638,072.93 - Step 5: Solve for x
x = 49,555,638,072.93/247,239.68 - Step 6: Final answer
x = 200,435.62
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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.