Finding the Fourth Proportional to 372,179.88, 513,602.58 and 202,410.12
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Solution
The fourth proportional to 372,179.88, 513,602.58 and 202,410.12 is: 279,322.89
Step by Step Solution
- Step 1: Write the proportion equation
372,179.88 : 513,602.58 = 202,410.12 : x - Step 2: Convert to fraction form
372,179.88/513,602.58 = 202,410.12/x - Step 3: Cross multiply
372,179.88x = 513,602.58 × 202,410.12 - Step 4: Simplify right side
372,179.88x = 103,958,359,850.11 - Step 5: Solve for x
x = 103,958,359,850.11/372,179.88 - Step 6: Final answer
x = 279,322.89
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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.