Finding the Fourth Proportional to 315,385.05, 435,184.30 and 177,544.08
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Solution
The fourth proportional to 315,385.05, 435,184.30 and 177,544.08 is: 244,984.33
Step by Step Solution
- Step 1: Write the proportion equation
315,385.05 : 435,184.30 = 177,544.08 : x - Step 2: Convert to fraction form
315,385.05/435,184.30 = 177,544.08/x - Step 3: Cross multiply
315,385.05x = 435,184.30 × 177,544.08 - Step 4: Simplify right side
315,385.05x = 77,264,394,173.23 - Step 5: Solve for x
x = 77,264,394,173.23/315,385.05 - Step 6: Final answer
x = 244,984.33
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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.