Finding the Fourth Proportional to 488,434.74, 674,053.09 and 273,570.09
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Solution
The fourth proportional to 488,434.74, 674,053.09 and 273,570.09 is: 377,534.09
Step by Step Solution
- Step 1: Write the proportion equation
488,434.74 : 674,053.09 = 273,570.09 : x - Step 2: Convert to fraction form
488,434.74/674,053.09 = 273,570.09/x - Step 3: Cross multiply
488,434.74x = 674,053.09 × 273,570.09 - Step 4: Simplify right side
488,434.74x = 184,400,764,496.08 - Step 5: Solve for x
x = 184,400,764,496.08/488,434.74 - Step 6: Final answer
x = 377,534.09
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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.