Finding the Fourth Proportional to 214,256.88, 321,339.12 and 135,265.68
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Solution
The fourth proportional to 214,256.88, 321,339.12 and 135,265.68 is: 202,869.35
Step by Step Solution
- Step 1: Write the proportion equation
214,256.88 : 321,339.12 = 135,265.68 : x - Step 2: Convert to fraction form
214,256.88/321,339.12 = 135,265.68/x - Step 3: Cross multiply
214,256.88x = 321,339.12 × 135,265.68 - Step 4: Simplify right side
214,256.88x = 43,466,154,577.40 - Step 5: Solve for x
x = 43,466,154,577.40/214,256.88 - Step 6: Final answer
x = 202,869.35
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1.5x scale
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.