Finding the Fourth Proportional to 242,615.05, 334,804.25 and 135,182.79
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Solution
The fourth proportional to 242,615.05, 334,804.25 and 135,182.79 is: 186,549.74
Step by Step Solution
- Step 1: Write the proportion equation
242,615.05 : 334,804.25 = 135,182.79 : x - Step 2: Convert to fraction form
242,615.05/334,804.25 = 135,182.79/x - Step 3: Cross multiply
242,615.05x = 334,804.25 × 135,182.79 - Step 4: Simplify right side
242,615.05x = 45,259,772,956.81 - Step 5: Solve for x
x = 45,259,772,956.81/242,615.05 - Step 6: Final answer
x = 186,549.74
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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.