Finding the Fourth Proportional to 418,051.99, 576,912.68 and 227,061.28
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Solution
The fourth proportional to 418,051.99, 576,912.68 and 227,061.28 is: 313,345.07
Step by Step Solution
- Step 1: Write the proportion equation
418,051.99 : 576,912.68 = 227,061.28 : x - Step 2: Convert to fraction form
418,051.99/576,912.68 = 227,061.28/x - Step 3: Cross multiply
418,051.99x = 576,912.68 × 227,061.28 - Step 4: Simplify right side
418,051.99x = 130,994,531,569.03 - Step 5: Solve for x
x = 130,994,531,569.03/418,051.99 - Step 6: Final answer
x = 313,345.07
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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.