Finding the Fourth Proportional to 313,205.42, 432,224.61 and 169,965.43
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Solution
The fourth proportional to 313,205.42, 432,224.61 and 169,965.43 is: 234,552.90
Step by Step Solution
- Step 1: Write the proportion equation
313,205.42 : 432,224.61 = 169,965.43 : x - Step 2: Convert to fraction form
313,205.42/432,224.61 = 169,965.43/x - Step 3: Cross multiply
313,205.42x = 432,224.61 × 169,965.43 - Step 4: Simplify right side
313,205.42x = 73,463,239,534.11 - Step 5: Solve for x
x = 73,463,239,534.11/313,205.42 - Step 6: Final answer
x = 234,552.90
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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.