Finding the Fourth Proportional to 235,378.05, 324,848.93 and 139,883.91
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Solution
The fourth proportional to 235,378.05, 324,848.93 and 139,883.91 is: 193,055.97
Step by Step Solution
- Step 1: Write the proportion equation
235,378.05 : 324,848.93 = 139,883.91 : x - Step 2: Convert to fraction form
235,378.05/324,848.93 = 139,883.91/x - Step 3: Cross multiply
235,378.05x = 324,848.93 × 139,883.91 - Step 4: Simplify right side
235,378.05x = 45,441,137,788.30 - Step 5: Solve for x
x = 45,441,137,788.30/235,378.05 - Step 6: Final answer
x = 193,055.97
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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.