Finding the Fourth Proportional to 294,014.45, 405,968.48 and 225,924.09
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Solution
The fourth proportional to 294,014.45, 405,968.48 and 225,924.09 is: 311,950.86
Step by Step Solution
- Step 1: Write the proportion equation
294,014.45 : 405,968.48 = 225,924.09 : x - Step 2: Convert to fraction form
294,014.45/405,968.48 = 225,924.09/x - Step 3: Cross multiply
294,014.45x = 405,968.48 × 225,924.09 - Step 4: Simplify right side
294,014.45x = 91,718,058,283.06 - Step 5: Solve for x
x = 91,718,058,283.06/294,014.45 - Step 6: Final answer
x = 311,950.86
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1.5x scale
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.