Finding the Fourth Proportional to 84,212.01, 116,209.62 and 50,202.96
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Solution
The fourth proportional to 84,212.01, 116,209.62 and 50,202.96 is: 69,278.32
Step by Step Solution
- Step 1: Write the proportion equation
84,212.01 : 116,209.62 = 50,202.96 : x - Step 2: Convert to fraction form
84,212.01/116,209.62 = 50,202.96/x - Step 3: Cross multiply
84,212.01x = 116,209.62 × 50,202.96 - Step 4: Simplify right side
84,212.01x = 5,834,066,904.48 - Step 5: Solve for x
x = 5,834,066,904.48/84,212.01 - Step 6: Final answer
x = 69,278.32
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1.5x scale
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.