Finding the Fourth Proportional to 236,395.08, 326,218.73 and 128,965.08
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Solution
The fourth proportional to 236,395.08, 326,218.73 and 128,965.08 is: 177,968.28
Step by Step Solution
- Step 1: Write the proportion equation
236,395.08 : 326,218.73 = 128,965.08 : x - Step 2: Convert to fraction form
236,395.08/326,218.73 = 128,965.08/x - Step 3: Cross multiply
236,395.08x = 326,218.73 × 128,965.08 - Step 4: Simplify right side
236,395.08x = 42,070,824,611.95 - Step 5: Solve for x
x = 42,070,824,611.95/236,395.08 - Step 6: Final answer
x = 177,968.28
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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.