Finding the Fourth Proportional to 235,479.75, 324,991.50 and 134,877.75
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Solution
The fourth proportional to 235,479.75, 324,991.50 and 134,877.75 is: 186,148.16
Step by Step Solution
- Step 1: Write the proportion equation
235,479.75 : 324,991.50 = 134,877.75 : x - Step 2: Convert to fraction form
235,479.75/324,991.50 = 134,877.75/x - Step 3: Cross multiply
235,479.75x = 324,991.50 × 134,877.75 - Step 4: Simplify right side
235,479.75x = 43,834,122,289.13 - Step 5: Solve for x
x = 43,834,122,289.13/235,479.75 - Step 6: Final answer
x = 186,148.16
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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.