Finding the Fourth Proportional to 370,509.11, 511,295.91 and 209,360.68
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Solution
The fourth proportional to 370,509.11, 511,295.91 and 209,360.68 is: 288,913.97
Step by Step Solution
- Step 1: Write the proportion equation
370,509.11 : 511,295.91 = 209,360.68 : x - Step 2: Convert to fraction form
370,509.11/511,295.91 = 209,360.68/x - Step 3: Cross multiply
370,509.11x = 511,295.91 × 209,360.68 - Step 4: Simplify right side
370,509.11x = 107,045,259,922.22 - Step 5: Solve for x
x = 107,045,259,922.22/370,509.11 - Step 6: Final answer
x = 288,913.97
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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.