Finding the Fourth Proportional to 483,455.07, 667,128.88 and 279,519.07
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Solution
The fourth proportional to 483,455.07, 667,128.88 and 279,519.07 is: 385,713.70
Step by Step Solution
- Step 1: Write the proportion equation
483,455.07 : 667,128.88 = 279,519.07 : x - Step 2: Convert to fraction form
483,455.07/667,128.88 = 279,519.07/x - Step 3: Cross multiply
483,455.07x = 667,128.88 × 279,519.07 - Step 4: Simplify right side
483,455.07x = 186,475,242,710.15 - Step 5: Solve for x
x = 186,475,242,710.15/483,455.07 - Step 6: Final answer
x = 385,713.70
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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.