Finding the Fourth Proportional to 484,837.24, 726,917.88 and 214,818.58
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Solution
The fourth proportional to 484,837.24, 726,917.88 and 214,818.58 is: 322,078.12
Step by Step Solution
- Step 1: Write the proportion equation
484,837.24 : 726,917.88 = 214,818.58 : x - Step 2: Convert to fraction form
484,837.24/726,917.88 = 214,818.58/x - Step 3: Cross multiply
484,837.24x = 726,917.88 × 214,818.58 - Step 4: Simplify right side
484,837.24x = 156,155,466,758.21 - Step 5: Solve for x
x = 156,155,466,758.21/484,837.24 - Step 6: Final answer
x = 322,078.12
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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.