Finding the Fourth Proportional to 300,299.05, 414,412.72 and 164,332.99
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Solution
The fourth proportional to 300,299.05, 414,412.72 and 164,332.99 is: 226,779.55
Step by Step Solution
- Step 1: Write the proportion equation
300,299.05 : 414,412.72 = 164,332.99 : x - Step 2: Convert to fraction form
300,299.05/414,412.72 = 164,332.99/x - Step 3: Cross multiply
300,299.05x = 414,412.72 × 164,332.99 - Step 4: Simplify right side
300,299.05x = 68,101,683,568.73 - Step 5: Solve for x
x = 68,101,683,568.73/300,299.05 - Step 6: Final answer
x = 226,779.55
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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.