Finding the Fourth Proportional to 300,353.59, 414,471.09 and 164,387.26
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Solution
The fourth proportional to 300,353.59, 414,471.09 and 164,387.26 is: 226,845.19
Step by Step Solution
- Step 1: Write the proportion equation
300,353.59 : 414,471.09 = 164,387.26 : x - Step 2: Convert to fraction form
300,353.59/414,471.09 = 164,387.26/x - Step 3: Cross multiply
300,353.59x = 414,471.09 × 164,387.26 - Step 4: Simplify right side
300,353.59x = 68,133,766,834.31 - Step 5: Solve for x
x = 68,133,766,834.31/300,353.59 - Step 6: Final answer
x = 226,845.19
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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.