Finding the Fourth Proportional to 255,236.42, 382,854.65 and 68,243.06
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Solution
The fourth proportional to 255,236.42, 382,854.65 and 68,243.06 is: 102,364.60
Step by Step Solution
- Step 1: Write the proportion equation
255,236.42 : 382,854.65 = 68,243.06 : x - Step 2: Convert to fraction form
255,236.42/382,854.65 = 68,243.06/x - Step 3: Cross multiply
255,236.42x = 382,854.65 × 68,243.06 - Step 4: Simplify right side
255,236.42x = 26,127,173,467.15 - Step 5: Solve for x
x = 26,127,173,467.15/255,236.42 - Step 6: Final answer
x = 102,364.60
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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.