Finding the Fourth Proportional to 319,919.91, 479,701.26 and 201,337.13
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Solution
The fourth proportional to 319,919.91, 479,701.26 and 201,337.13 is: 301,893.28
Step by Step Solution
- Step 1: Write the proportion equation
319,919.91 : 479,701.26 = 201,337.13 : x - Step 2: Convert to fraction form
319,919.91/479,701.26 = 201,337.13/x - Step 3: Cross multiply
319,919.91x = 479,701.26 × 201,337.13 - Step 4: Simplify right side
319,919.91x = 96,581,672,547.28 - Step 5: Solve for x
x = 96,581,672,547.28/319,919.91 - Step 6: Final answer
x = 301,893.28
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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.