Finding the Fourth Proportional to 313,629.10, 432,809.84 and 192,849.30
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Solution
The fourth proportional to 313,629.10, 432,809.84 and 192,849.30 is: 266,133.07
Step by Step Solution
- Step 1: Write the proportion equation
313,629.10 : 432,809.84 = 192,849.30 : x - Step 2: Convert to fraction form
313,629.10/432,809.84 = 192,849.30/x - Step 3: Cross multiply
313,629.10x = 432,809.84 × 192,849.30 - Step 4: Simplify right side
313,629.10x = 83,467,075,159.24 - Step 5: Solve for x
x = 83,467,075,159.24/313,629.10 - Step 6: Final answer
x = 266,133.07
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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.