Finding the Fourth Proportional to 472,193.63, 651,608.15 and 257,329.09
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Solution
The fourth proportional to 472,193.63, 651,608.15 and 257,329.09 is: 355,103.75
Step by Step Solution
- Step 1: Write the proportion equation
472,193.63 : 651,608.15 = 257,329.09 : x - Step 2: Convert to fraction form
472,193.63/651,608.15 = 257,329.09/x - Step 3: Cross multiply
472,193.63x = 651,608.15 × 257,329.09 - Step 4: Simplify right side
472,193.63x = 167,677,728,138.65 - Step 5: Solve for x
x = 167,677,728,138.65/472,193.63 - Step 6: Final answer
x = 355,103.75
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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.