Finding the Fourth Proportional to 236,354.56, 326,170.28 and 128,926.88
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Solution
The fourth proportional to 236,354.56, 326,170.28 and 128,926.88 is: 177,919.63
Step by Step Solution
- Step 1: Write the proportion equation
236,354.56 : 326,170.28 = 128,926.88 : x - Step 2: Convert to fraction form
236,354.56/326,170.28 = 128,926.88/x - Step 3: Cross multiply
236,354.56x = 326,170.28 × 128,926.88 - Step 4: Simplify right side
236,354.56x = 42,052,116,549.13 - Step 5: Solve for x
x = 42,052,116,549.13/236,354.56 - Step 6: Final answer
x = 177,919.63
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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.