Finding the Fourth Proportional to 253,585.08, 380,414.70 and 76,106.12
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Solution
The fourth proportional to 253,585.08, 380,414.70 and 76,106.12 is: 114,170.31
Step by Step Solution
- Step 1: Write the proportion equation
253,585.08 : 380,414.70 = 76,106.12 : x - Step 2: Convert to fraction form
253,585.08/380,414.70 = 76,106.12/x - Step 3: Cross multiply
253,585.08x = 380,414.70 × 76,106.12 - Step 4: Simplify right side
253,585.08x = 28,951,886,807.96 - Step 5: Solve for x
x = 28,951,886,807.96/253,585.08 - Step 6: Final answer
x = 114,170.31
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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.