Finding the Fourth Proportional to 370,509.24, 511,296.09 and 209,360.81
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Solution
The fourth proportional to 370,509.24, 511,296.09 and 209,360.81 is: 288,914.15
Step by Step Solution
- Step 1: Write the proportion equation
370,509.24 : 511,296.09 = 209,360.81 : x - Step 2: Convert to fraction form
370,509.24/511,296.09 = 209,360.81/x - Step 3: Cross multiply
370,509.24x = 511,296.09 × 209,360.81 - Step 4: Simplify right side
370,509.24x = 107,045,360,995.75 - Step 5: Solve for x
x = 107,045,360,995.75/370,509.24 - Step 6: Final answer
x = 288,914.15
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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.