Finding the Fourth Proportional to 397,163.99, 595,411.14 and 172,355.08
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Solution
The fourth proportional to 397,163.99, 595,411.14 and 172,355.08 is: 258,387.31
Step by Step Solution
- Step 1: Write the proportion equation
397,163.99 : 595,411.14 = 172,355.08 : x - Step 2: Convert to fraction form
397,163.99/595,411.14 = 172,355.08/x - Step 3: Cross multiply
397,163.99x = 595,411.14 × 172,355.08 - Step 4: Simplify right side
397,163.99x = 102,622,134,667.59 - Step 5: Solve for x
x = 102,622,134,667.59/397,163.99 - Step 6: Final answer
x = 258,387.31
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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.