Finding the Fourth Proportional to 330,588.18, 456,202.11 and 187,361.46
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Solution
The fourth proportional to 330,588.18, 456,202.11 and 187,361.46 is: 258,553.39
Step by Step Solution
- Step 1: Write the proportion equation
330,588.18 : 456,202.11 = 187,361.46 : x - Step 2: Convert to fraction form
330,588.18/456,202.11 = 187,361.46/x - Step 3: Cross multiply
330,588.18x = 456,202.11 × 187,361.46 - Step 4: Simplify right side
330,588.18x = 85,474,693,384.68 - Step 5: Solve for x
x = 85,474,693,384.68/330,588.18 - Step 6: Final answer
x = 258,553.39
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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.