Finding the Fourth Proportional to 376,326.23, 519,311.22 and 223,371.09
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Solution
The fourth proportional to 376,326.23, 519,311.22 and 223,371.09 is: 308,240.84
Step by Step Solution
- Step 1: Write the proportion equation
376,326.23 : 519,311.22 = 223,371.09 : x - Step 2: Convert to fraction form
376,326.23/519,311.22 = 223,371.09/x - Step 3: Cross multiply
376,326.23x = 519,311.22 × 223,371.09 - Step 4: Simplify right side
376,326.23x = 115,999,113,260.63 - Step 5: Solve for x
x = 115,999,113,260.63/376,326.23 - Step 6: Final answer
x = 308,240.84
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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.