Finding the Fourth Proportional to 235,267.94, 324,633.21 and 139,772.18
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Solution
The fourth proportional to 235,267.94, 324,633.21 and 139,772.18 is: 192,863.90
Step by Step Solution
- Step 1: Write the proportion equation
235,267.94 : 324,633.21 = 139,772.18 : x - Step 2: Convert to fraction form
235,267.94/324,633.21 = 139,772.18/x - Step 3: Cross multiply
235,267.94x = 324,633.21 × 139,772.18 - Step 4: Simplify right side
235,267.94x = 45,374,691,462.10 - Step 5: Solve for x
x = 45,374,691,462.10/235,267.94 - Step 6: Final answer
x = 192,863.90
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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.