Finding the Fourth Proportional to 351,142.49, 484,573.17 and 189,994.00
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Solution
The fourth proportional to 351,142.49, 484,573.17 and 189,994.00 is: 262,189.84
Step by Step Solution
- Step 1: Write the proportion equation
351,142.49 : 484,573.17 = 189,994.00 : x - Step 2: Convert to fraction form
351,142.49/484,573.17 = 189,994.00/x - Step 3: Cross multiply
351,142.49x = 484,573.17 × 189,994.00 - Step 4: Simplify right side
351,142.49x = 92,065,993,649.55 - Step 5: Solve for x
x = 92,065,993,649.55/351,142.49 - Step 6: Final answer
x = 262,189.84
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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.