Finding the Fourth Proportional to 461,890.63, 637,232.84 and 280,534.15
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Solution
The fourth proportional to 461,890.63, 637,232.84 and 280,534.15 is: 387,030.09
Step by Step Solution
- Step 1: Write the proportion equation
461,890.63 : 637,232.84 = 280,534.15 : x - Step 2: Convert to fraction form
461,890.63/637,232.84 = 280,534.15/x - Step 3: Cross multiply
461,890.63x = 637,232.84 × 280,534.15 - Step 4: Simplify right side
461,890.63x = 178,765,571,177.74 - Step 5: Solve for x
x = 178,765,571,177.74/461,890.63 - Step 6: Final answer
x = 387,030.09
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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.