Finding the Fourth Proportional to 302,678.26, 417,684.56 and 181,886.15
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Solution
The fourth proportional to 302,678.26, 417,684.56 and 181,886.15 is: 250,996.02
Step by Step Solution
- Step 1: Write the proportion equation
302,678.26 : 417,684.56 = 181,886.15 : x - Step 2: Convert to fraction form
302,678.26/417,684.56 = 181,886.15/x - Step 3: Cross multiply
302,678.26x = 417,684.56 × 181,886.15 - Step 4: Simplify right side
302,678.26x = 75,971,036,667.62 - Step 5: Solve for x
x = 75,971,036,667.62/302,678.26 - Step 6: Final answer
x = 250,996.02
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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.