Finding the Fourth Proportional to 634,135.14, 951,301.08 and 213,378.18
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Solution
The fourth proportional to 634,135.14, 951,301.08 and 213,378.18 is: 320,100.37
Step by Step Solution
- Step 1: Write the proportion equation
634,135.14 : 951,301.08 = 213,378.18 : x - Step 2: Convert to fraction form
634,135.14/951,301.08 = 213,378.18/x - Step 3: Cross multiply
634,135.14x = 951,301.08 × 213,378.18 - Step 4: Simplify right side
634,135.14x = 202,986,893,082.43 - Step 5: Solve for x
x = 202,986,893,082.43/634,135.14 - Step 6: Final answer
x = 320,100.37
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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.