Finding the Fourth Proportional to 290,975.13, 401,549.36 and 163,650.74
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Solution
The fourth proportional to 290,975.13, 401,549.36 and 163,650.74 is: 225,840.08
Step by Step Solution
- Step 1: Write the proportion equation
290,975.13 : 401,549.36 = 163,650.74 : x - Step 2: Convert to fraction form
290,975.13/401,549.36 = 163,650.74/x - Step 3: Cross multiply
290,975.13x = 401,549.36 × 163,650.74 - Step 4: Simplify right side
290,975.13x = 65,713,847,084.53 - Step 5: Solve for x
x = 65,713,847,084.53/290,975.13 - Step 6: Final answer
x = 225,840.08
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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.