Finding the Fourth Proportional to 135,378.63, 203,068.35 and 46,630.98
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Solution
The fourth proportional to 135,378.63, 203,068.35 and 46,630.98 is: 69,946.61
Step by Step Solution
- Step 1: Write the proportion equation
135,378.63 : 203,068.35 = 46,630.98 : x - Step 2: Convert to fraction form
135,378.63/203,068.35 = 46,630.98/x - Step 3: Cross multiply
135,378.63x = 203,068.35 × 46,630.98 - Step 4: Simplify right side
135,378.63x = 9,469,276,167.48 - Step 5: Solve for x
x = 9,469,276,167.48/135,378.63 - Step 6: Final answer
x = 69,946.61
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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.