Finding the Fourth Proportional to 201,770.81, 278,423.11 and 124,234.14
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Solution
The fourth proportional to 201,770.81, 278,423.11 and 124,234.14 is: 171,430.43
Step by Step Solution
- Step 1: Write the proportion equation
201,770.81 : 278,423.11 = 124,234.14 : x - Step 2: Convert to fraction form
201,770.81/278,423.11 = 124,234.14/x - Step 3: Cross multiply
201,770.81x = 278,423.11 × 124,234.14 - Step 4: Simplify right side
201,770.81x = 34,589,655,005.80 - Step 5: Solve for x
x = 34,589,655,005.80/201,770.81 - Step 6: Final answer
x = 171,430.43
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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.