Finding the Fourth Proportional to 290,179.96, 400,246.86 and 236,465.08
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Solution
The fourth proportional to 290,179.96, 400,246.86 and 236,465.08 is: 326,157.62
Step by Step Solution
- Step 1: Write the proportion equation
290,179.96 : 400,246.86 = 236,465.08 : x - Step 2: Convert to fraction form
290,179.96/400,246.86 = 236,465.08/x - Step 3: Cross multiply
290,179.96x = 400,246.86 × 236,465.08 - Step 4: Simplify right side
290,179.96x = 94,644,405,769.65 - Step 5: Solve for x
x = 94,644,405,769.65/290,179.96 - Step 6: Final answer
x = 326,157.62
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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.