Finding the Fourth Proportional to 235,325.88, 324,796.95 and 139,814.19
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Solution
The fourth proportional to 235,325.88, 324,796.95 and 139,814.19 is: 192,971.65
Step by Step Solution
- Step 1: Write the proportion equation
235,325.88 : 324,796.95 = 139,814.19 : x - Step 2: Convert to fraction form
235,325.88/324,796.95 = 139,814.19/x - Step 3: Cross multiply
235,325.88x = 324,796.95 × 139,814.19 - Step 4: Simplify right side
235,325.88x = 45,411,222,478.72 - Step 5: Solve for x
x = 45,411,222,478.72/235,325.88 - Step 6: Final answer
x = 192,971.65
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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.