Finding the Fourth Proportional to 135,104.16, 202,743.28 and 72,818.08
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Solution
The fourth proportional to 135,104.16, 202,743.28 and 72,818.08 is: 109,274.03
Step by Step Solution
- Step 1: Write the proportion equation
135,104.16 : 202,743.28 = 72,818.08 : x - Step 2: Convert to fraction form
135,104.16/202,743.28 = 72,818.08/x - Step 3: Cross multiply
135,104.16x = 202,743.28 × 72,818.08 - Step 4: Simplify right side
135,104.16x = 14,763,376,382.50 - Step 5: Solve for x
x = 14,763,376,382.50/135,104.16 - Step 6: Final answer
x = 109,274.03
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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.