Finding the Fourth Proportional to 553,770.06, 764,202.70 and 299,121.26
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Solution
The fourth proportional to 553,770.06, 764,202.70 and 299,121.26 is: 412,787.35
Step by Step Solution
- Step 1: Write the proportion equation
553,770.06 : 764,202.70 = 299,121.26 : x - Step 2: Convert to fraction form
553,770.06/764,202.70 = 299,121.26/x - Step 3: Cross multiply
553,770.06x = 764,202.70 × 299,121.26 - Step 4: Simplify right side
553,770.06x = 228,589,274,519.40 - Step 5: Solve for x
x = 228,589,274,519.40/553,770.06 - Step 6: Final answer
x = 412,787.35
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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.