Finding the Fourth Proportional to 349,573.28, 482,452.08 and 198,692.96
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Solution
The fourth proportional to 349,573.28, 482,452.08 and 198,692.96 is: 274,219.56
Step by Step Solution
- Step 1: Write the proportion equation
349,573.28 : 482,452.08 = 198,692.96 : x - Step 2: Convert to fraction form
349,573.28/482,452.08 = 198,692.96/x - Step 3: Cross multiply
349,573.28x = 482,452.08 × 198,692.96 - Step 4: Simplify right side
349,573.28x = 95,859,831,833.36 - Step 5: Solve for x
x = 95,859,831,833.36/349,573.28 - Step 6: Final answer
x = 274,219.56
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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.