Finding the Fourth Proportional to 235,350.21, 352,914.42 and 85,484.82
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Solution
The fourth proportional to 235,350.21, 352,914.42 and 85,484.82 is: 128,186.95
Step by Step Solution
- Step 1: Write the proportion equation
235,350.21 : 352,914.42 = 85,484.82 : x - Step 2: Convert to fraction form
235,350.21/352,914.42 = 85,484.82/x - Step 3: Cross multiply
235,350.21x = 352,914.42 × 85,484.82 - Step 4: Simplify right side
235,350.21x = 30,168,825,669.10 - Step 5: Solve for x
x = 30,168,825,669.10/235,350.21 - Step 6: Final answer
x = 128,186.95
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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.