Finding the Fourth Proportional to 203,037.63, 280,098.84 and 131,440.71
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Solution
The fourth proportional to 203,037.63, 280,098.84 and 131,440.71 is: 181,327.92
Step by Step Solution
- Step 1: Write the proportion equation
203,037.63 : 280,098.84 = 131,440.71 : x - Step 2: Convert to fraction form
203,037.63/280,098.84 = 131,440.71/x - Step 3: Cross multiply
203,037.63x = 280,098.84 × 131,440.71 - Step 4: Simplify right side
203,037.63x = 36,816,390,399.78 - Step 5: Solve for x
x = 36,816,390,399.78/203,037.63 - Step 6: Final answer
x = 181,327.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.