Finding the Fourth Proportional to 235,441.26, 352,962.81 and 102,220.74
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Solution
The fourth proportional to 235,441.26, 352,962.81 and 102,220.74 is: 153,244.68
Step by Step Solution
- Step 1: Write the proportion equation
235,441.26 : 352,962.81 = 102,220.74 : x - Step 2: Convert to fraction form
235,441.26/352,962.81 = 102,220.74/x - Step 3: Cross multiply
235,441.26x = 352,962.81 × 102,220.74 - Step 4: Simplify right side
235,441.26x = 36,080,119,630.68 - Step 5: Solve for x
x = 36,080,119,630.68/235,441.26 - Step 6: Final answer
x = 153,244.68
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1.5x scale
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.