Finding the Fourth Proportional to 370,515.36, 511,304.52 and 209,366.94
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Solution
The fourth proportional to 370,515.36, 511,304.52 and 209,366.94 is: 288,922.60
Step by Step Solution
- Step 1: Write the proportion equation
370,515.36 : 511,304.52 = 209,366.94 : x - Step 2: Convert to fraction form
370,515.36/511,304.52 = 209,366.94/x - Step 3: Cross multiply
370,515.36x = 511,304.52 × 209,366.94 - Step 4: Simplify right side
370,515.36x = 107,050,262,760.57 - Step 5: Solve for x
x = 107,050,262,760.57/370,515.36 - Step 6: Final answer
x = 288,922.60
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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.