Finding the Fourth Proportional to 263,814.40, 364,228.95 and 203,270.14
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Solution
The fourth proportional to 263,814.40, 364,228.95 and 203,270.14 is: 280,639.99
Step by Step Solution
- Step 1: Write the proportion equation
263,814.40 : 364,228.95 = 203,270.14 : x - Step 2: Convert to fraction form
263,814.40/364,228.95 = 203,270.14/x - Step 3: Cross multiply
263,814.40x = 364,228.95 × 203,270.14 - Step 4: Simplify right side
263,814.40x = 74,036,869,658.55 - Step 5: Solve for x
x = 74,036,869,658.55/263,814.40 - Step 6: Final answer
x = 280,639.99
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1.5x scale
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.