Finding the Fourth Proportional to 245,163.03, 338,352.45 and 148,420.23
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Solution
The fourth proportional to 245,163.03, 338,352.45 and 148,420.23 is: 204,836.55
Step by Step Solution
- Step 1: Write the proportion equation
245,163.03 : 338,352.45 = 148,420.23 : x - Step 2: Convert to fraction form
245,163.03/338,352.45 = 148,420.23/x - Step 3: Cross multiply
245,163.03x = 338,352.45 × 148,420.23 - Step 4: Simplify right side
245,163.03x = 50,218,348,450.06 - Step 5: Solve for x
x = 50,218,348,450.06/245,163.03 - Step 6: Final answer
x = 204,836.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.