Finding the Fourth Proportional to 634,415.10, 951,616.17 and 213,688.14
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Solution
The fourth proportional to 634,415.10, 951,616.17 and 213,688.14 is: 320,530.03
Step by Step Solution
- Step 1: Write the proportion equation
634,415.10 : 951,616.17 = 213,688.14 : x - Step 2: Convert to fraction form
634,415.10/951,616.17 = 213,688.14/x - Step 3: Cross multiply
634,415.10x = 951,616.17 × 213,688.14 - Step 4: Simplify right side
634,415.10x = 203,349,089,361.22 - Step 5: Solve for x
x = 203,349,089,361.22/634,415.10 - Step 6: Final answer
x = 320,530.03
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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.