Finding the Fourth Proportional to 236,395.80, 326,213.46 and 134,407.18
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Solution
The fourth proportional to 236,395.80, 326,213.46 and 134,407.18 is: 185,474.66
Step by Step Solution
- Step 1: Write the proportion equation
236,395.80 : 326,213.46 = 134,407.18 : x - Step 2: Convert to fraction form
236,395.80/326,213.46 = 134,407.18/x - Step 3: Cross multiply
236,395.80x = 326,213.46 × 134,407.18 - Step 4: Simplify right side
236,395.80x = 43,845,431,644.41 - Step 5: Solve for x
x = 43,845,431,644.41/236,395.80 - Step 6: Final answer
x = 185,474.66
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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.