Finding the Fourth Proportional to 517,130.73, 713,563.43 and 290,732.49
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Solution
The fourth proportional to 517,130.73, 713,563.43 and 290,732.49 is: 401,167.56
Step by Step Solution
- Step 1: Write the proportion equation
517,130.73 : 713,563.43 = 290,732.49 : x - Step 2: Convert to fraction form
517,130.73/713,563.43 = 290,732.49/x - Step 3: Cross multiply
517,130.73x = 713,563.43 × 290,732.49 - Step 4: Simplify right side
517,130.73x = 207,456,071,323.18 - Step 5: Solve for x
x = 207,456,071,323.18/517,130.73 - Step 6: Final answer
x = 401,167.56
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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.