Finding the Fourth Proportional to 383,147.93, 528,723.36 and 211,032.41
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Solution
The fourth proportional to 383,147.93, 528,723.36 and 211,032.41 is: 291,213.28
Step by Step Solution
- Step 1: Write the proportion equation
383,147.93 : 528,723.36 = 211,032.41 : x - Step 2: Convert to fraction form
383,147.93/528,723.36 = 211,032.41/x - Step 3: Cross multiply
383,147.93x = 528,723.36 × 211,032.41 - Step 4: Simplify right side
383,147.93x = 111,577,762,240.48 - Step 5: Solve for x
x = 111,577,762,240.48/383,147.93 - Step 6: Final answer
x = 291,213.28
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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.