Finding the Fourth Proportional to 538,108.80, 807,163.20 and 164,083.20
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Solution
The fourth proportional to 538,108.80, 807,163.20 and 164,083.20 is: 246,124.80
Step by Step Solution
- Step 1: Write the proportion equation
538,108.80 : 807,163.20 = 164,083.20 : x - Step 2: Convert to fraction form
538,108.80/807,163.20 = 164,083.20/x - Step 3: Cross multiply
538,108.80x = 807,163.20 × 164,083.20 - Step 4: Simplify right side
538,108.80x = 132,441,920,778.24 - Step 5: Solve for x
x = 132,441,920,778.24/538,108.80 - Step 6: Final answer
x = 246,124.80
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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.