Finding the Fourth Proportional to 309,260.30, 426,771.99 and 181,944.09
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Solution
The fourth proportional to 309,260.30, 426,771.99 and 181,944.09 is: 251,078.60
Step by Step Solution
- Step 1: Write the proportion equation
309,260.30 : 426,771.99 = 181,944.09 : x - Step 2: Convert to fraction form
309,260.30/426,771.99 = 181,944.09/x - Step 3: Cross multiply
309,260.30x = 426,771.99 × 181,944.09 - Step 4: Simplify right side
309,260.30x = 77,648,641,358.04 - Step 5: Solve for x
x = 77,648,641,358.04/309,260.30 - Step 6: Final answer
x = 251,078.60
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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.