Finding the Fourth Proportional to 202,723.16, 279,775.22 and 117,834.75
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Solution
The fourth proportional to 202,723.16, 279,775.22 and 117,834.75 is: 162,621.99
Step by Step Solution
- Step 1: Write the proportion equation
202,723.16 : 279,775.22 = 117,834.75 : x - Step 2: Convert to fraction form
202,723.16/279,775.22 = 117,834.75/x - Step 3: Cross multiply
202,723.16x = 279,775.22 × 117,834.75 - Step 4: Simplify right side
202,723.16x = 32,967,242,515.72 - Step 5: Solve for x
x = 32,967,242,515.72/202,723.16 - Step 6: Final answer
x = 162,621.99
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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.