Finding the Fourth Proportional to 135,581.76, 203,175.36 and 65,378.88
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Solution
The fourth proportional to 135,581.76, 203,175.36 and 65,378.88 is: 97,973.19
Step by Step Solution
- Step 1: Write the proportion equation
135,581.76 : 203,175.36 = 65,378.88 : x - Step 2: Convert to fraction form
135,581.76/203,175.36 = 65,378.88/x - Step 3: Cross multiply
135,581.76x = 203,175.36 × 65,378.88 - Step 4: Simplify right side
135,581.76x = 13,283,377,480.40 - Step 5: Solve for x
x = 13,283,377,480.40/135,581.76 - Step 6: Final answer
x = 97,973.19
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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.