Finding the Fourth Proportional to 370,509.44, 511,296.35 and 209,360.99
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Solution
The fourth proportional to 370,509.44, 511,296.35 and 209,360.99 is: 288,914.40
Step by Step Solution
- Step 1: Write the proportion equation
370,509.44 : 511,296.35 = 209,360.99 : x - Step 2: Convert to fraction form
370,509.44/511,296.35 = 209,360.99/x - Step 3: Cross multiply
370,509.44x = 511,296.35 × 209,360.99 - Step 4: Simplify right side
370,509.44x = 107,045,510,250.82 - Step 5: Solve for x
x = 107,045,510,250.82/370,509.44 - Step 6: Final answer
x = 288,914.40
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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.