Finding the Fourth Proportional to 102,917.84, 154,355.16 and 29,028.56
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Solution
The fourth proportional to 102,917.84, 154,355.16 and 29,028.56 is: 43,536.75
Step by Step Solution
- Step 1: Write the proportion equation
102,917.84 : 154,355.16 = 29,028.56 : x - Step 2: Convert to fraction form
102,917.84/154,355.16 = 29,028.56/x - Step 3: Cross multiply
102,917.84x = 154,355.16 × 29,028.56 - Step 4: Simplify right side
102,917.84x = 4,480,708,023.37 - Step 5: Solve for x
x = 4,480,708,023.37/102,917.84 - Step 6: Final answer
x = 43,536.75
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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.