Finding the Fourth Proportional to 317,997.94, 438,828.01 and 174,757.81
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Solution
The fourth proportional to 317,997.94, 438,828.01 and 174,757.81 is: 241,160.75
Step by Step Solution
- Step 1: Write the proportion equation
317,997.94 : 438,828.01 = 174,757.81 : x - Step 2: Convert to fraction form
317,997.94/438,828.01 = 174,757.81/x - Step 3: Cross multiply
317,997.94x = 438,828.01 × 174,757.81 - Step 4: Simplify right side
317,997.94x = 76,688,621,994.26 - Step 5: Solve for x
x = 76,688,621,994.26/317,997.94 - Step 6: Final answer
x = 241,160.75
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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.