Finding the Fourth Proportional to 380,614.14, 569,343.33 and 289,970.99
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Solution
The fourth proportional to 380,614.14, 569,343.33 and 289,970.99 is: 433,754.37
Step by Step Solution
- Step 1: Write the proportion equation
380,614.14 : 569,343.33 = 289,970.99 : x - Step 2: Convert to fraction form
380,614.14/569,343.33 = 289,970.99/x - Step 3: Cross multiply
380,614.14x = 569,343.33 × 289,970.99 - Step 4: Simplify right side
380,614.14x = 165,093,048,338.32 - Step 5: Solve for x
x = 165,093,048,338.32/380,614.14 - Step 6: Final answer
x = 433,754.37
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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.