Finding the Fourth Proportional to 226,665.99, 312,809.58 and 131,154.17
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Solution
The fourth proportional to 226,665.99, 312,809.58 and 131,154.17 is: 180,998.83
Step by Step Solution
- Step 1: Write the proportion equation
226,665.99 : 312,809.58 = 131,154.17 : x - Step 2: Convert to fraction form
226,665.99/312,809.58 = 131,154.17/x - Step 3: Cross multiply
226,665.99x = 312,809.58 × 131,154.17 - Step 4: Simplify right side
226,665.99x = 41,026,279,268.90 - Step 5: Solve for x
x = 41,026,279,268.90/226,665.99 - Step 6: Final answer
x = 180,998.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.