Finding the Fourth Proportional to 256,293.81, 384,374.25 and 76,337.19
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Solution
The fourth proportional to 256,293.81, 384,374.25 and 76,337.19 is: 114,485.99
Step by Step Solution
- Step 1: Write the proportion equation
256,293.81 : 384,374.25 = 76,337.19 : x - Step 2: Convert to fraction form
256,293.81/384,374.25 = 76,337.19/x - Step 3: Cross multiply
256,293.81x = 384,374.25 × 76,337.19 - Step 4: Simplify right side
256,293.81x = 29,342,050,153.36 - Step 5: Solve for x
x = 29,342,050,153.36/256,293.81 - Step 6: Final answer
x = 114,485.99
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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.