Finding the Fourth Proportional to 396,543.99, 547,239.95 and 235,399.66
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Solution
The fourth proportional to 396,543.99, 547,239.95 and 235,399.66 is: 324,857.02
Step by Step Solution
- Step 1: Write the proportion equation
396,543.99 : 547,239.95 = 235,399.66 : x - Step 2: Convert to fraction form
396,543.99/547,239.95 = 235,399.66/x - Step 3: Cross multiply
396,543.99x = 547,239.95 × 235,399.66 - Step 4: Simplify right side
396,543.99x = 128,820,097,388.82 - Step 5: Solve for x
x = 128,820,097,388.82/396,543.99 - Step 6: Final answer
x = 324,857.02
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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.