Finding the Fourth Proportional to 297,988.35, 446,972.61 and 129,508.84
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Solution
The fourth proportional to 297,988.35, 446,972.61 and 129,508.84 is: 194,258.95
Step by Step Solution
- Step 1: Write the proportion equation
297,988.35 : 446,972.61 = 129,508.84 : x - Step 2: Convert to fraction form
297,988.35/446,972.61 = 129,508.84/x - Step 3: Cross multiply
297,988.35x = 446,972.61 × 129,508.84 - Step 4: Simplify right side
297,988.35x = 57,886,904,232.87 - Step 5: Solve for x
x = 57,886,904,232.87/297,988.35 - Step 6: Final answer
x = 194,258.95
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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.