Finding the Fourth Proportional to 279,065.92, 418,595.44 and 68,705.68
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Solution
The fourth proportional to 279,065.92, 418,595.44 and 68,705.68 is: 103,057.67
Step by Step Solution
- Step 1: Write the proportion equation
279,065.92 : 418,595.44 = 68,705.68 : x - Step 2: Convert to fraction form
279,065.92/418,595.44 = 68,705.68/x - Step 3: Cross multiply
279,065.92x = 418,595.44 × 68,705.68 - Step 4: Simplify right side
279,065.92x = 28,759,884,350.10 - Step 5: Solve for x
x = 28,759,884,350.10/279,065.92 - Step 6: Final answer
x = 103,057.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.