Finding the Fourth Proportional to 133,252.02, 199,779.21 and 80,649.54
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Solution
The fourth proportional to 133,252.02, 199,779.21 and 80,649.54 is: 120,914.50
Step by Step Solution
- Step 1: Write the proportion equation
133,252.02 : 199,779.21 = 80,649.54 : x - Step 2: Convert to fraction form
133,252.02/199,779.21 = 80,649.54/x - Step 3: Cross multiply
133,252.02x = 199,779.21 × 80,649.54 - Step 4: Simplify right side
133,252.02x = 16,112,101,388.06 - Step 5: Solve for x
x = 16,112,101,388.06/133,252.02 - Step 6: Final answer
x = 120,914.50
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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.