Finding the Fourth Proportional to 298,372.91, 411,763.49 and 183,717.70
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Solution
The fourth proportional to 298,372.91, 411,763.49 and 183,717.70 is: 253,535.89
Step by Step Solution
- Step 1: Write the proportion equation
298,372.91 : 411,763.49 = 183,717.70 : x - Step 2: Convert to fraction form
298,372.91/411,763.49 = 183,717.70/x - Step 3: Cross multiply
298,372.91x = 411,763.49 × 183,717.70 - Step 4: Simplify right side
298,372.91x = 75,648,240,067.72 - Step 5: Solve for x
x = 75,648,240,067.72/298,372.91 - Step 6: Final answer
x = 253,535.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.