Finding the Fourth Proportional to 297,892.40, 446,917.80 and 129,340.40
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Solution
The fourth proportional to 297,892.40, 446,917.80 and 129,340.40 is: 194,044.99
Step by Step Solution
- Step 1: Write the proportion equation
297,892.40 : 446,917.80 = 129,340.40 : x - Step 2: Convert to fraction form
297,892.40/446,917.80 = 129,340.40/x - Step 3: Cross multiply
297,892.40x = 446,917.80 × 129,340.40 - Step 4: Simplify right side
297,892.40x = 57,804,527,019.12 - Step 5: Solve for x
x = 57,804,527,019.12/297,892.40 - Step 6: Final answer
x = 194,044.99
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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.