Finding the Fourth Proportional to 395,665.05, 546,040.84 and 223,578.63
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Solution
The fourth proportional to 395,665.05, 546,040.84 and 223,578.63 is: 308,551.55
Step by Step Solution
- Step 1: Write the proportion equation
395,665.05 : 546,040.84 = 223,578.63 : x - Step 2: Convert to fraction form
395,665.05/546,040.84 = 223,578.63/x - Step 3: Cross multiply
395,665.05x = 546,040.84 × 223,578.63 - Step 4: Simplify right side
395,665.05x = 122,083,062,931.25 - Step 5: Solve for x
x = 122,083,062,931.25/395,665.05 - Step 6: Final answer
x = 308,551.55
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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.