Finding the Fourth Proportional to 404,104.99, 605,239.95 and 313,419.73
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Solution
The fourth proportional to 404,104.99, 605,239.95 and 313,419.73 is: 469,417.96
Step by Step Solution
- Step 1: Write the proportion equation
404,104.99 : 605,239.95 = 313,419.73 : x - Step 2: Convert to fraction form
404,104.99/605,239.95 = 313,419.73/x - Step 3: Cross multiply
404,104.99x = 605,239.95 × 313,419.73 - Step 4: Simplify right side
404,104.99x = 189,694,141,714.21 - Step 5: Solve for x
x = 189,694,141,714.21/404,104.99 - Step 6: Final answer
x = 469,417.96
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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.