Finding the Fourth Proportional to 512,028.24, 768,045.60 and 157,040.88
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Solution
The fourth proportional to 512,028.24, 768,045.60 and 157,040.88 is: 235,562.31
Step by Step Solution
- Step 1: Write the proportion equation
512,028.24 : 768,045.60 = 157,040.88 : x - Step 2: Convert to fraction form
512,028.24/768,045.60 = 157,040.88/x - Step 3: Cross multiply
512,028.24x = 768,045.60 × 157,040.88 - Step 4: Simplify right side
512,028.24x = 120,614,556,904.13 - Step 5: Solve for x
x = 120,614,556,904.13/512,028.24 - Step 6: Final answer
x = 235,562.31
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1.5x scale
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.