Finding the Fourth Proportional to 484,440.12, 726,415.97 and 147,416.13
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Solution
The fourth proportional to 484,440.12, 726,415.97 and 147,416.13 is: 221,049.88
Step by Step Solution
- Step 1: Write the proportion equation
484,440.12 : 726,415.97 = 147,416.13 : x - Step 2: Convert to fraction form
484,440.12/726,415.97 = 147,416.13/x - Step 3: Cross multiply
484,440.12x = 726,415.97 × 147,416.13 - Step 4: Simplify right side
484,440.12x = 107,085,430,330.52 - Step 5: Solve for x
x = 107,085,430,330.52/484,440.12 - Step 6: Final answer
x = 221,049.88
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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.