Finding the Fourth Proportional to 347,531.58, 521,340.30 and 122,845.68
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Solution
The fourth proportional to 347,531.58, 521,340.30 and 122,845.68 is: 184,283.69
Step by Step Solution
- Step 1: Write the proportion equation
347,531.58 : 521,340.30 = 122,845.68 : x - Step 2: Convert to fraction form
347,531.58/521,340.30 = 122,845.68/x - Step 3: Cross multiply
347,531.58x = 521,340.30 × 122,845.68 - Step 4: Simplify right side
347,531.58x = 64,044,403,664.90 - Step 5: Solve for x
x = 64,044,403,664.90/347,531.58 - Step 6: Final answer
x = 184,283.69
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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.