Finding the Fourth Proportional to 297,808.16, 446,711.40 and 129,306.68
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Solution
The fourth proportional to 297,808.16, 446,711.40 and 129,306.68 is: 193,959.66
Step by Step Solution
- Step 1: Write the proportion equation
297,808.16 : 446,711.40 = 129,306.68 : x - Step 2: Convert to fraction form
297,808.16/446,711.40 = 129,306.68/x - Step 3: Cross multiply
297,808.16x = 446,711.40 × 129,306.68 - Step 4: Simplify right side
297,808.16x = 57,762,768,052.15 - Step 5: Solve for x
x = 57,762,768,052.15/297,808.16 - Step 6: Final answer
x = 193,959.66
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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.