Finding the Fourth Proportional to 239,619.75, 330,675.26 and 133,635.75
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Solution
The fourth proportional to 239,619.75, 330,675.26 and 133,635.75 is: 184,417.34
Step by Step Solution
- Step 1: Write the proportion equation
239,619.75 : 330,675.26 = 133,635.75 : x - Step 2: Convert to fraction form
239,619.75/330,675.26 = 133,635.75/x - Step 3: Cross multiply
239,619.75x = 330,675.26 × 133,635.75 - Step 4: Simplify right side
239,619.75x = 44,190,036,376.55 - Step 5: Solve for x
x = 44,190,036,376.55/239,619.75 - Step 6: Final answer
x = 184,417.34
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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.