Finding the Fourth Proportional to 369,084.36, 553,859.28 and 211,620.36
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Solution
The fourth proportional to 369,084.36, 553,859.28 and 211,620.36 is: 317,563.99
Step by Step Solution
- Step 1: Write the proportion equation
369,084.36 : 553,859.28 = 211,620.36 : x - Step 2: Convert to fraction form
369,084.36/553,859.28 = 211,620.36/x - Step 3: Cross multiply
369,084.36x = 553,859.28 × 211,620.36 - Step 4: Simplify right side
369,084.36x = 117,207,900,222.94 - Step 5: Solve for x
x = 117,207,900,222.94/369,084.36 - Step 6: Final answer
x = 317,563.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.