Finding the Fourth Proportional to 351,010.54, 484,392.72 and 189,865.09
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Solution
The fourth proportional to 351,010.54, 484,392.72 and 189,865.09 is: 262,012.84
Step by Step Solution
- Step 1: Write the proportion equation
351,010.54 : 484,392.72 = 189,865.09 : x - Step 2: Convert to fraction form
351,010.54/484,392.72 = 189,865.09/x - Step 3: Cross multiply
351,010.54x = 484,392.72 × 189,865.09 - Step 4: Simplify right side
351,010.54x = 91,969,267,378.14 - Step 5: Solve for x
x = 91,969,267,378.14/351,010.54 - Step 6: Final answer
x = 262,012.84
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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.