Finding the Fourth Proportional to 290,653.36, 401,098.08 and 163,350.48
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Solution
The fourth proportional to 290,653.36, 401,098.08 and 163,350.48 is: 225,421.66
Step by Step Solution
- Step 1: Write the proportion equation
290,653.36 : 401,098.08 = 163,350.48 : x - Step 2: Convert to fraction form
290,653.36/401,098.08 = 163,350.48/x - Step 3: Cross multiply
290,653.36x = 401,098.08 × 163,350.48 - Step 4: Simplify right side
290,653.36x = 65,519,563,895.08 - Step 5: Solve for x
x = 65,519,563,895.08/290,653.36 - Step 6: Final answer
x = 225,421.66
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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.