Finding the Fourth Proportional to 163,734.16, 245,457.60 and 135,885.28
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Solution
The fourth proportional to 163,734.16, 245,457.60 and 135,885.28 is: 203,708.71
Step by Step Solution
- Step 1: Write the proportion equation
163,734.16 : 245,457.60 = 135,885.28 : x - Step 2: Convert to fraction form
163,734.16/245,457.60 = 135,885.28/x - Step 3: Cross multiply
163,734.16x = 245,457.60 × 135,885.28 - Step 4: Simplify right side
163,734.16x = 33,354,074,704.13 - Step 5: Solve for x
x = 33,354,074,704.13/163,734.16 - Step 6: Final answer
x = 203,708.71
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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.