Finding the Fourth Proportional to 242,722.26, 334,968.06 and 135,293.07
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Solution
The fourth proportional to 242,722.26, 334,968.06 and 135,293.07 is: 186,710.76
Step by Step Solution
- Step 1: Write the proportion equation
242,722.26 : 334,968.06 = 135,293.07 : x - Step 2: Convert to fraction form
242,722.26/334,968.06 = 135,293.07/x - Step 3: Cross multiply
242,722.26x = 334,968.06 × 135,293.07 - Step 4: Simplify right side
242,722.26x = 45,318,857,189.34 - Step 5: Solve for x
x = 45,318,857,189.34/242,722.26 - Step 6: Final answer
x = 186,710.76
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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.