Finding the Fourth Proportional to 156,580.57, 234,900.11 and 71,197.70
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Solution
The fourth proportional to 156,580.57, 234,900.11 and 71,197.70 is: 106,809.85
Step by Step Solution
- Step 1: Write the proportion equation
156,580.57 : 234,900.11 = 71,197.70 : x - Step 2: Convert to fraction form
156,580.57/234,900.11 = 71,197.70/x - Step 3: Cross multiply
156,580.57x = 234,900.11 × 71,197.70 - Step 4: Simplify right side
156,580.57x = 16,724,346,565.24 - Step 5: Solve for x
x = 16,724,346,565.24/156,580.57 - Step 6: Final answer
x = 106,809.85
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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.