Finding the Fourth Proportional to 207,163.60, 310,745.40 and 173,921.20
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Solution
The fourth proportional to 207,163.60, 310,745.40 and 173,921.20 is: 260,881.80
Step by Step Solution
- Step 1: Write the proportion equation
207,163.60 : 310,745.40 = 173,921.20 : x - Step 2: Convert to fraction form
207,163.60/310,745.40 = 173,921.20/x - Step 3: Cross multiply
207,163.60x = 310,745.40 × 173,921.20 - Step 4: Simplify right side
207,163.60x = 54,045,212,862.48 - Step 5: Solve for x
x = 54,045,212,862.48/207,163.60 - Step 6: Final answer
x = 260,881.80
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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.