Finding the Fourth Proportional to 467,811.09, 645,579.76 and 252,951.09
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Solution
The fourth proportional to 467,811.09, 645,579.76 and 252,951.09 is: 349,072.76
Step by Step Solution
- Step 1: Write the proportion equation
467,811.09 : 645,579.76 = 252,951.09 : x - Step 2: Convert to fraction form
467,811.09/645,579.76 = 252,951.09/x - Step 3: Cross multiply
467,811.09x = 645,579.76 × 252,951.09 - Step 4: Simplify right side
467,811.09x = 163,300,106,486.29 - Step 5: Solve for x
x = 163,300,106,486.29/467,811.09 - Step 6: Final answer
x = 349,072.76
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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.