Finding the Fourth Proportional to 404,661.42, 558,463.68 and 223,408.26
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Solution
The fourth proportional to 404,661.42, 558,463.68 and 223,408.26 is: 308,320.47
Step by Step Solution
- Step 1: Write the proportion equation
404,661.42 : 558,463.68 = 223,408.26 : x - Step 2: Convert to fraction form
404,661.42/558,463.68 = 223,408.26/x - Step 3: Cross multiply
404,661.42x = 558,463.68 × 223,408.26 - Step 4: Simplify right side
404,661.42x = 124,765,399,022.00 - Step 5: Solve for x
x = 124,765,399,022.00/404,661.42 - Step 6: Final answer
x = 308,320.47
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1.5x scale
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.