Finding the Fourth Proportional to 189,338.74, 284,212.83 and 168,412.79
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Solution
The fourth proportional to 189,338.74, 284,212.83 and 168,412.79 is: 252,801.28
Step by Step Solution
- Step 1: Write the proportion equation
189,338.74 : 284,212.83 = 168,412.79 : x - Step 2: Convert to fraction form
189,338.74/284,212.83 = 168,412.79/x - Step 3: Cross multiply
189,338.74x = 284,212.83 × 168,412.79 - Step 4: Simplify right side
189,338.74x = 47,865,075,654.10 - Step 5: Solve for x
x = 47,865,075,654.10/189,338.74 - Step 6: Final answer
x = 252,801.28
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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.