Finding the Fourth Proportional to 311,202.40, 466,803.60 and 297,551.20
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Solution
The fourth proportional to 311,202.40, 466,803.60 and 297,551.20 is: 446,326.80
Step by Step Solution
- Step 1: Write the proportion equation
311,202.40 : 466,803.60 = 297,551.20 : x - Step 2: Convert to fraction form
311,202.40/466,803.60 = 297,551.20/x - Step 3: Cross multiply
311,202.40x = 466,803.60 × 297,551.20 - Step 4: Simplify right side
311,202.40x = 138,897,971,344.32 - Step 5: Solve for x
x = 138,897,971,344.32/311,202.40 - Step 6: Final answer
x = 446,326.80
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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.