Finding the Fourth Proportional to 242,691.27, 334,925.36 and 135,262.05
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Solution
The fourth proportional to 242,691.27, 334,925.36 and 135,262.05 is: 186,667.99
Step by Step Solution
- Step 1: Write the proportion equation
242,691.27 : 334,925.36 = 135,262.05 : x - Step 2: Convert to fraction form
242,691.27/334,925.36 = 135,262.05/x - Step 3: Cross multiply
242,691.27x = 334,925.36 × 135,262.05 - Step 4: Simplify right side
242,691.27x = 45,302,690,790.59 - Step 5: Solve for x
x = 45,302,690,790.59/242,691.27 - Step 6: Final answer
x = 186,667.99
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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.