Finding the Fourth Proportional to 133,246.20, 199,577.70 and 115,750.20
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Solution
The fourth proportional to 133,246.20, 199,577.70 and 115,750.20 is: 173,371.99
Step by Step Solution
- Step 1: Write the proportion equation
133,246.20 : 199,577.70 = 115,750.20 : x - Step 2: Convert to fraction form
133,246.20/199,577.70 = 115,750.20/x - Step 3: Cross multiply
133,246.20x = 199,577.70 × 115,750.20 - Step 4: Simplify right side
133,246.20x = 23,101,158,690.54 - Step 5: Solve for x
x = 23,101,158,690.54/133,246.20 - Step 6: Final answer
x = 173,371.99
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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.