Finding the Fourth Proportional to 235,032.60, 324,331.80 and 136,945.68
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Solution
The fourth proportional to 235,032.60, 324,331.80 and 136,945.68 is: 188,977.35
Step by Step Solution
- Step 1: Write the proportion equation
235,032.60 : 324,331.80 = 136,945.68 : x - Step 2: Convert to fraction form
235,032.60/324,331.80 = 136,945.68/x - Step 3: Cross multiply
235,032.60x = 324,331.80 × 136,945.68 - Step 4: Simplify right side
235,032.60x = 44,415,838,896.62 - Step 5: Solve for x
x = 44,415,838,896.62/235,032.60 - Step 6: Final answer
x = 188,977.35
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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.