Finding the Fourth Proportional to 313,290.17, 432,266.30 and 177,324.09
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Solution
The fourth proportional to 313,290.17, 432,266.30 and 177,324.09 is: 244,665.29
Step by Step Solution
- Step 1: Write the proportion equation
313,290.17 : 432,266.30 = 177,324.09 : x - Step 2: Convert to fraction form
313,290.17/432,266.30 = 177,324.09/x - Step 3: Cross multiply
313,290.17x = 432,266.30 × 177,324.09 - Step 4: Simplify right side
313,290.17x = 76,651,228,285.17 - Step 5: Solve for x
x = 76,651,228,285.17/313,290.17 - Step 6: Final answer
x = 244,665.29
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1.5x scale
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.