Finding the Fourth Proportional to 475,581.98, 656,305.84 and 257,791.21
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Solution
The fourth proportional to 475,581.98, 656,305.84 and 257,791.21 is: 355,753.33
Step by Step Solution
- Step 1: Write the proportion equation
475,581.98 : 656,305.84 = 257,791.21 : x - Step 2: Convert to fraction form
475,581.98/656,305.84 = 257,791.21/x - Step 3: Cross multiply
475,581.98x = 656,305.84 × 257,791.21 - Step 4: Simplify right side
475,581.98x = 169,189,875,305.14 - Step 5: Solve for x
x = 169,189,875,305.14/475,581.98 - Step 6: Final answer
x = 355,753.33
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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.