Finding the Fourth Proportional to 307,846.81, 424,824.43 and 171,882.84
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Solution
The fourth proportional to 307,846.81, 424,824.43 and 171,882.84 is: 237,195.99
Step by Step Solution
- Step 1: Write the proportion equation
307,846.81 : 424,824.43 = 171,882.84 : x - Step 2: Convert to fraction form
307,846.81/424,824.43 = 171,882.84/x - Step 3: Cross multiply
307,846.81x = 424,824.43 × 171,882.84 - Step 4: Simplify right side
307,846.81x = 73,020,029,529.78 - Step 5: Solve for x
x = 73,020,029,529.78/307,846.81 - Step 6: Final answer
x = 237,195.99
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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.