Finding the Fourth Proportional to 256,672.46, 385,035.09 and 96,882.99
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Solution
The fourth proportional to 256,672.46, 385,035.09 and 96,882.99 is: 145,334.45
Step by Step Solution
- Step 1: Write the proportion equation
256,672.46 : 385,035.09 = 96,882.99 : x - Step 2: Convert to fraction form
256,672.46/385,035.09 = 96,882.99/x - Step 3: Cross multiply
256,672.46x = 385,035.09 × 96,882.99 - Step 4: Simplify right side
256,672.46x = 37,303,349,784.38 - Step 5: Solve for x
x = 37,303,349,784.38/256,672.46 - Step 6: Final answer
x = 145,334.45
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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.