Finding the Fourth Proportional to 214,126.56, 321,195.15 and 71,973.99
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Solution
The fourth proportional to 214,126.56, 321,195.15 and 71,973.99 is: 107,962.77
Step by Step Solution
- Step 1: Write the proportion equation
214,126.56 : 321,195.15 = 71,973.99 : x - Step 2: Convert to fraction form
214,126.56/321,195.15 = 71,973.99/x - Step 3: Cross multiply
214,126.56x = 321,195.15 × 71,973.99 - Step 4: Simplify right side
214,126.56x = 23,117,696,514.15 - Step 5: Solve for x
x = 23,117,696,514.15/214,126.56 - Step 6: Final answer
x = 107,962.77
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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.