Finding the Fourth Proportional to 242,751.07, 334,996.53 and 135,318.79
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Solution
The fourth proportional to 242,751.07, 334,996.53 and 135,318.79 is: 186,739.96
Step by Step Solution
- Step 1: Write the proportion equation
242,751.07 : 334,996.53 = 135,318.79 : x - Step 2: Convert to fraction form
242,751.07/334,996.53 = 135,318.79/x - Step 3: Cross multiply
242,751.07x = 334,996.53 × 135,318.79 - Step 4: Simplify right side
242,751.07x = 45,331,323,418.82 - Step 5: Solve for x
x = 45,331,323,418.82/242,751.07 - Step 6: Final answer
x = 186,739.96
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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.