Finding the Fourth Proportional to 235,225.23, 352,859.70 and 66,749.68
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Solution
The fourth proportional to 235,225.23, 352,859.70 and 66,749.68 is: 100,130.72
Step by Step Solution
- Step 1: Write the proportion equation
235,225.23 : 352,859.70 = 66,749.68 : x - Step 2: Convert to fraction form
235,225.23/352,859.70 = 66,749.68/x - Step 3: Cross multiply
235,225.23x = 352,859.70 × 66,749.68 - Step 4: Simplify right side
235,225.23x = 23,553,272,059.90 - Step 5: Solve for x
x = 23,553,272,059.90/235,225.23 - Step 6: Final answer
x = 100,130.72
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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.