Finding the Fourth Proportional to 235,160.54, 324,524.18 and 138,385.79
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Solution
The fourth proportional to 235,160.54, 324,524.18 and 138,385.79 is: 190,973.94
Step by Step Solution
- Step 1: Write the proportion equation
235,160.54 : 324,524.18 = 138,385.79 : x - Step 2: Convert to fraction form
235,160.54/324,524.18 = 138,385.79/x - Step 3: Cross multiply
235,160.54x = 324,524.18 × 138,385.79 - Step 4: Simplify right side
235,160.54x = 44,909,534,331.47 - Step 5: Solve for x
x = 44,909,534,331.47/235,160.54 - Step 6: Final answer
x = 190,973.94
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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.