Finding the Fourth Proportional to 370,782.88, 511,642.08 and 227,548.96
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Solution
The fourth proportional to 370,782.88, 511,642.08 and 227,548.96 is: 313,994.06
Step by Step Solution
- Step 1: Write the proportion equation
370,782.88 : 511,642.08 = 227,548.96 : x - Step 2: Convert to fraction form
370,782.88/511,642.08 = 227,548.96/x - Step 3: Cross multiply
370,782.88x = 511,642.08 × 227,548.96 - Step 4: Simplify right side
370,782.88x = 116,423,623,196.24 - Step 5: Solve for x
x = 116,423,623,196.24/370,782.88 - Step 6: Final answer
x = 313,994.06
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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.