Finding the Fourth Proportional to 331,967.39, 458,145.18 and 188,727.09
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Solution
The fourth proportional to 331,967.39, 458,145.18 and 188,727.09 is: 260,460.54
Step by Step Solution
- Step 1: Write the proportion equation
331,967.39 : 458,145.18 = 188,727.09 : x - Step 2: Convert to fraction form
331,967.39/458,145.18 = 188,727.09/x - Step 3: Cross multiply
331,967.39x = 458,145.18 × 188,727.09 - Step 4: Simplify right side
331,967.39x = 86,464,405,393.22 - Step 5: Solve for x
x = 86,464,405,393.22/331,967.39 - Step 6: Final answer
x = 260,460.54
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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.