Finding the Fourth Proportional to 370,744.18, 511,607.08 and 209,589.62
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Solution
The fourth proportional to 370,744.18, 511,607.08 and 209,589.62 is: 289,222.43
Step by Step Solution
- Step 1: Write the proportion equation
370,744.18 : 511,607.08 = 209,589.62 : x - Step 2: Convert to fraction form
370,744.18/511,607.08 = 209,589.62/x - Step 3: Cross multiply
370,744.18x = 511,607.08 × 209,589.62 - Step 4: Simplify right side
370,744.18x = 107,227,533,486.51 - Step 5: Solve for x
x = 107,227,533,486.51/370,744.18 - Step 6: Final answer
x = 289,222.43
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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.