Finding the Fourth Proportional to 279,189.98, 418,923.36 and 110,706.70
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Solution
The fourth proportional to 279,189.98, 418,923.36 and 110,706.70 is: 166,114.92
Step by Step Solution
- Step 1: Write the proportion equation
279,189.98 : 418,923.36 = 110,706.70 : x - Step 2: Convert to fraction form
279,189.98/418,923.36 = 110,706.70/x - Step 3: Cross multiply
279,189.98x = 418,923.36 × 110,706.70 - Step 4: Simplify right side
279,189.98x = 46,377,620,090.36 - Step 5: Solve for x
x = 46,377,620,090.36/279,189.98 - Step 6: Final answer
x = 166,114.92
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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.