Finding the Fourth Proportional to 236,407.80, 354,611.70 and 118,309.80
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Solution
The fourth proportional to 236,407.80, 354,611.70 and 118,309.80 is: 177,464.70
Step by Step Solution
- Step 1: Write the proportion equation
236,407.80 : 354,611.70 = 118,309.80 : x - Step 2: Convert to fraction form
236,407.80/354,611.70 = 118,309.80/x - Step 3: Cross multiply
236,407.80x = 354,611.70 × 118,309.80 - Step 4: Simplify right side
236,407.80x = 41,954,039,304.66 - Step 5: Solve for x
x = 41,954,039,304.66/236,407.80 - Step 6: Final answer
x = 177,464.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.