Finding the Fourth Proportional to 426,135.46, 639,037.07 and 159,750.63
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Solution
The fourth proportional to 426,135.46, 639,037.07 and 159,750.63 is: 239,563.66
Step by Step Solution
- Step 1: Write the proportion equation
426,135.46 : 639,037.07 = 159,750.63 : x - Step 2: Convert to fraction form
426,135.46/639,037.07 = 159,750.63/x - Step 3: Cross multiply
426,135.46x = 639,037.07 × 159,750.63 - Step 4: Simplify right side
426,135.46x = 102,086,571,730.05 - Step 5: Solve for x
x = 102,086,571,730.05/426,135.46 - Step 6: Final answer
x = 239,563.66
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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.