Finding the Fourth Proportional to 454,662.18, 681,919.80 and 214,775.58
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Solution
The fourth proportional to 454,662.18, 681,919.80 and 214,775.58 is: 322,128.66
Step by Step Solution
- Step 1: Write the proportion equation
454,662.18 : 681,919.80 = 214,775.58 : x - Step 2: Convert to fraction form
454,662.18/681,919.80 = 214,775.58/x - Step 3: Cross multiply
454,662.18x = 681,919.80 × 214,775.58 - Step 4: Simplify right side
454,662.18x = 146,459,720,558.48 - Step 5: Solve for x
x = 146,459,720,558.48/454,662.18 - Step 6: Final answer
x = 322,128.66
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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.