Finding the Fourth Proportional to 320,825.70, 442,786.14 and 184,833.18
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Solution
The fourth proportional to 320,825.70, 442,786.14 and 184,833.18 is: 255,096.68
Step by Step Solution
- Step 1: Write the proportion equation
320,825.70 : 442,786.14 = 184,833.18 : x - Step 2: Convert to fraction form
320,825.70/442,786.14 = 184,833.18/x - Step 3: Cross multiply
320,825.70x = 442,786.14 × 184,833.18 - Step 4: Simplify right side
320,825.70x = 81,841,570,316.13 - Step 5: Solve for x
x = 81,841,570,316.13/320,825.70 - Step 6: Final answer
x = 255,096.68
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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.