Finding the Fourth Proportional to 467,811.73, 645,580.56 and 252,951.94
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Solution
The fourth proportional to 467,811.73, 645,580.56 and 252,951.94 is: 349,073.88
Step by Step Solution
- Step 1: Write the proportion equation
467,811.73 : 645,580.56 = 252,951.94 : x - Step 2: Convert to fraction form
467,811.73/645,580.56 = 252,951.94/x - Step 3: Cross multiply
467,811.73x = 645,580.56 × 252,951.94 - Step 4: Simplify right side
467,811.73x = 163,300,855,078.29 - Step 5: Solve for x
x = 163,300,855,078.29/467,811.73 - Step 6: Final answer
x = 349,073.88
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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.