Finding the Fourth Proportional to 106,457.51, 159,682.77 and 43,258.94
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Solution
The fourth proportional to 106,457.51, 159,682.77 and 43,258.94 is: 64,886.99
Step by Step Solution
- Step 1: Write the proportion equation
106,457.51 : 159,682.77 = 43,258.94 : x - Step 2: Convert to fraction form
106,457.51/159,682.77 = 43,258.94/x - Step 3: Cross multiply
106,457.51x = 159,682.77 × 43,258.94 - Step 4: Simplify right side
106,457.51x = 6,907,706,568.05 - Step 5: Solve for x
x = 6,907,706,568.05/106,457.51 - Step 6: Final answer
x = 64,886.99
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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.