Finding the Fourth Proportional to 143,034.62, 214,420.28 and 49,474.76
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Solution
The fourth proportional to 143,034.62, 214,420.28 and 49,474.76 is: 74,166.60
Step by Step Solution
- Step 1: Write the proportion equation
143,034.62 : 214,420.28 = 49,474.76 : x - Step 2: Convert to fraction form
143,034.62/214,420.28 = 49,474.76/x - Step 3: Cross multiply
143,034.62x = 214,420.28 × 49,474.76 - Step 4: Simplify right side
143,034.62x = 10,608,391,892.13 - Step 5: Solve for x
x = 10,608,391,892.13/143,034.62 - Step 6: Final answer
x = 74,166.60
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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.