Finding the Fourth Proportional to 454,664.18, 681,922.80 and 214,777.58
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Solution
The fourth proportional to 454,664.18, 681,922.80 and 214,777.58 is: 322,131.66
Step by Step Solution
- Step 1: Write the proportion equation
454,664.18 : 681,922.80 = 214,777.58 : x - Step 2: Convert to fraction form
454,664.18/681,922.80 = 214,777.58/x - Step 3: Cross multiply
454,664.18x = 681,922.80 × 214,777.58 - Step 4: Simplify right side
454,664.18x = 146,461,728,730.82 - Step 5: Solve for x
x = 146,461,728,730.82/454,664.18 - Step 6: Final answer
x = 322,131.66
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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.