Finding the Fourth Proportional to 405,722.44, 608,639.01 and 169,009.75
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Solution
The fourth proportional to 405,722.44, 608,639.01 and 169,009.75 is: 253,537.68
Step by Step Solution
- Step 1: Write the proportion equation
405,722.44 : 608,639.01 = 169,009.75 : x - Step 2: Convert to fraction form
405,722.44/608,639.01 = 169,009.75/x - Step 3: Cross multiply
405,722.44x = 608,639.01 × 169,009.75 - Step 4: Simplify right side
405,722.44x = 102,865,926,920.35 - Step 5: Solve for x
x = 102,865,926,920.35/405,722.44 - Step 6: Final answer
x = 253,537.68
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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.