Finding the Fourth Proportional to 242,687.84, 364,195.65 and 84,917.66
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Solution
The fourth proportional to 242,687.84, 364,195.65 and 84,917.66 is: 127,433.84
Step by Step Solution
- Step 1: Write the proportion equation
242,687.84 : 364,195.65 = 84,917.66 : x - Step 2: Convert to fraction form
242,687.84/364,195.65 = 84,917.66/x - Step 3: Cross multiply
242,687.84x = 364,195.65 × 84,917.66 - Step 4: Simplify right side
242,687.84x = 30,926,642,380.18 - Step 5: Solve for x
x = 30,926,642,380.18/242,687.84 - Step 6: Final answer
x = 127,433.84
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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.