Finding the Fourth Proportional to 393,104.97, 589,963.64 and 274,000.95
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Solution
The fourth proportional to 393,104.97, 589,963.64 and 274,000.95 is: 411,214.84
Step by Step Solution
- Step 1: Write the proportion equation
393,104.97 : 589,963.64 = 274,000.95 : x - Step 2: Convert to fraction form
393,104.97/589,963.64 = 274,000.95/x - Step 3: Cross multiply
393,104.97x = 589,963.64 × 274,000.95 - Step 4: Simplify right side
393,104.97x = 161,650,596,455.45 - Step 5: Solve for x
x = 161,650,596,455.45/393,104.97 - Step 6: Final answer
x = 411,214.84
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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.