Finding the Fourth Proportional to 437,516.57, 656,311.91 and 121,973.78
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Solution
The fourth proportional to 437,516.57, 656,311.91 and 121,973.78 is: 182,970.99
Step by Step Solution
- Step 1: Write the proportion equation
437,516.57 : 656,311.91 = 121,973.78 : x - Step 2: Convert to fraction form
437,516.57/656,311.91 = 121,973.78/x - Step 3: Cross multiply
437,516.57x = 656,311.91 × 121,973.78 - Step 4: Simplify right side
437,516.57x = 80,052,840,630.29 - Step 5: Solve for x
x = 80,052,840,630.29/437,516.57 - Step 6: Final answer
x = 182,970.99
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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.