Finding the Fourth Proportional to 242,687.71, 364,195.56 and 84,917.53
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Solution
The fourth proportional to 242,687.71, 364,195.56 and 84,917.53 is: 127,433.68
Step by Step Solution
- Step 1: Write the proportion equation
242,687.71 : 364,195.56 = 84,917.53 : x - Step 2: Convert to fraction form
242,687.71/364,195.56 = 84,917.53/x - Step 3: Cross multiply
242,687.71x = 364,195.56 × 84,917.53 - Step 4: Simplify right side
242,687.71x = 30,926,587,392.17 - Step 5: Solve for x
x = 30,926,587,392.17/242,687.71 - Step 6: Final answer
x = 127,433.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.