Finding the Fourth Proportional to 313,803.06, 433,034.20 and 177,829.07
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Solution
The fourth proportional to 313,803.06, 433,034.20 and 177,829.07 is: 245,396.17
Step by Step Solution
- Step 1: Write the proportion equation
313,803.06 : 433,034.20 = 177,829.07 : x - Step 2: Convert to fraction form
313,803.06/433,034.20 = 177,829.07/x - Step 3: Cross multiply
313,803.06x = 433,034.20 × 177,829.07 - Step 4: Simplify right side
313,803.06x = 77,006,069,557.13 - Step 5: Solve for x
x = 77,006,069,557.13/313,803.06 - Step 6: Final answer
x = 245,396.17
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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.