Finding the Fourth Proportional to 236,393.08, 326,215.97 and 128,963.08
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Solution
The fourth proportional to 236,393.08, 326,215.97 and 128,963.08 is: 177,965.52
Step by Step Solution
- Step 1: Write the proportion equation
236,393.08 : 326,215.97 = 128,963.08 : x - Step 2: Convert to fraction form
236,393.08/326,215.97 = 128,963.08/x - Step 3: Cross multiply
236,393.08x = 326,215.97 × 128,963.08 - Step 4: Simplify right side
236,393.08x = 42,069,816,236.39 - Step 5: Solve for x
x = 42,069,816,236.39/236,393.08 - Step 6: Final answer
x = 177,965.52
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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.