Finding the Fourth Proportional to 171,701.42, 236,899.68 and 135,289.96
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Solution
The fourth proportional to 171,701.42, 236,899.68 and 135,289.96 is: 186,662.10
Step by Step Solution
- Step 1: Write the proportion equation
171,701.42 : 236,899.68 = 135,289.96 : x - Step 2: Convert to fraction form
171,701.42/236,899.68 = 135,289.96/x - Step 3: Cross multiply
171,701.42x = 236,899.68 × 135,289.96 - Step 4: Simplify right side
171,701.42x = 32,050,148,231.21 - Step 5: Solve for x
x = 32,050,148,231.21/171,701.42 - Step 6: Final answer
x = 186,662.10
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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.