Finding the Fourth Proportional to 515,721.60, 773,115.84 and 183,219.84
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Solution
The fourth proportional to 515,721.60, 773,115.84 and 183,219.84 is: 274,664.01
Step by Step Solution
- Step 1: Write the proportion equation
515,721.60 : 773,115.84 = 183,219.84 : x - Step 2: Convert to fraction form
515,721.60/773,115.84 = 183,219.84/x - Step 3: Cross multiply
515,721.60x = 773,115.84 × 183,219.84 - Step 4: Simplify right side
515,721.60x = 141,650,160,506.27 - Step 5: Solve for x
x = 141,650,160,506.27/515,721.60 - Step 6: Final answer
x = 274,664.01
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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.