Finding the Fourth Proportional to 297,882.40, 446,902.80 and 129,330.40
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Solution
The fourth proportional to 297,882.40, 446,902.80 and 129,330.40 is: 194,029.99
Step by Step Solution
- Step 1: Write the proportion equation
297,882.40 : 446,902.80 = 129,330.40 : x - Step 2: Convert to fraction form
297,882.40/446,902.80 = 129,330.40/x - Step 3: Cross multiply
297,882.40x = 446,902.80 × 129,330.40 - Step 4: Simplify right side
297,882.40x = 57,798,117,885.12 - Step 5: Solve for x
x = 57,798,117,885.12/297,882.40 - Step 6: Final answer
x = 194,029.99
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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.