Finding the Fourth Proportional to 311,994.68, 430,552.58 and 176,027.40
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Solution
The fourth proportional to 311,994.68, 430,552.58 and 176,027.40 is: 242,917.77
Step by Step Solution
- Step 1: Write the proportion equation
311,994.68 : 430,552.58 = 176,027.40 : x - Step 2: Convert to fraction form
311,994.68/430,552.58 = 176,027.40/x - Step 3: Cross multiply
311,994.68x = 430,552.58 × 176,027.40 - Step 4: Simplify right side
311,994.68x = 75,789,050,340.56 - Step 5: Solve for x
x = 75,789,050,340.56/311,994.68 - Step 6: Final answer
x = 242,917.77
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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.