Finding the Fourth Proportional to 163,578.40, 245,367.60 and 124,212.40
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Solution
The fourth proportional to 163,578.40, 245,367.60 and 124,212.40 is: 186,318.60
Step by Step Solution
- Step 1: Write the proportion equation
163,578.40 : 245,367.60 = 124,212.40 : x - Step 2: Convert to fraction form
163,578.40/245,367.60 = 124,212.40/x - Step 3: Cross multiply
163,578.40x = 245,367.60 × 124,212.40 - Step 4: Simplify right side
163,578.40x = 30,477,698,478.24 - Step 5: Solve for x
x = 30,477,698,478.24/163,578.40 - Step 6: Final answer
x = 186,318.60
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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.