Finding the Fourth Proportional to 313,983.96, 433,421.12 and 222,580.99
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Solution
The fourth proportional to 313,983.96, 433,421.12 and 222,580.99 is: 307,249.14
Step by Step Solution
- Step 1: Write the proportion equation
313,983.96 : 433,421.12 = 222,580.99 : x - Step 2: Convert to fraction form
313,983.96/433,421.12 = 222,580.99/x - Step 3: Cross multiply
313,983.96x = 433,421.12 × 222,580.99 - Step 4: Simplify right side
313,983.96x = 96,471,301,976.51 - Step 5: Solve for x
x = 96,471,301,976.51/313,983.96 - Step 6: Final answer
x = 307,249.14
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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.