Finding the Fourth Proportional to 572,163.24, 789,558.66 and 317,512.20
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Solution
The fourth proportional to 572,163.24, 789,558.66 and 317,512.20 is: 438,152.07
Step by Step Solution
- Step 1: Write the proportion equation
572,163.24 : 789,558.66 = 317,512.20 : x - Step 2: Convert to fraction form
572,163.24/789,558.66 = 317,512.20/x - Step 3: Cross multiply
572,163.24x = 789,558.66 × 317,512.20 - Step 4: Simplify right side
572,163.24x = 250,694,507,165.65 - Step 5: Solve for x
x = 250,694,507,165.65/572,163.24 - Step 6: Final answer
x = 438,152.07
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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.