Finding the Fourth Proportional to 156,107.19, 234,160.79 and 37,778.54
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Solution
The fourth proportional to 156,107.19, 234,160.79 and 37,778.54 is: 56,667.80
Step by Step Solution
- Step 1: Write the proportion equation
156,107.19 : 234,160.79 = 37,778.54 : x - Step 2: Convert to fraction form
156,107.19/234,160.79 = 37,778.54/x - Step 3: Cross multiply
156,107.19x = 234,160.79 × 37,778.54 - Step 4: Simplify right side
156,107.19x = 8,846,251,506.20 - Step 5: Solve for x
x = 8,846,251,506.20/156,107.19 - Step 6: Final answer
x = 56,667.80
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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.