Finding the Fourth Proportional to 338,091.12, 507,232.80 and 169,408.08
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Solution
The fourth proportional to 338,091.12, 507,232.80 and 169,408.08 is: 254,160.28
Step by Step Solution
- Step 1: Write the proportion equation
338,091.12 : 507,232.80 = 169,408.08 : x - Step 2: Convert to fraction form
338,091.12/507,232.80 = 169,408.08/x - Step 3: Cross multiply
338,091.12x = 507,232.80 × 169,408.08 - Step 4: Simplify right side
338,091.12x = 85,929,334,761.02 - Step 5: Solve for x
x = 85,929,334,761.02/338,091.12 - Step 6: Final answer
x = 254,160.28
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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.