Finding the Fourth Proportional to 279,195.12, 385,083.05 and 177,132.69
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Solution
The fourth proportional to 279,195.12, 385,083.05 and 177,132.69 is: 244,312.28
Step by Step Solution
- Step 1: Write the proportion equation
279,195.12 : 385,083.05 = 177,132.69 : x - Step 2: Convert to fraction form
279,195.12/385,083.05 = 177,132.69/x - Step 3: Cross multiply
279,195.12x = 385,083.05 × 177,132.69 - Step 4: Simplify right side
279,195.12x = 68,210,795,634.24 - Step 5: Solve for x
x = 68,210,795,634.24/279,195.12 - Step 6: Final answer
x = 244,312.28
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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.