Finding the Fourth Proportional to 394,262.07, 544,322.73 and 256,572.19
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Solution
The fourth proportional to 394,262.07, 544,322.73 and 256,572.19 is: 354,226.50
Step by Step Solution
- Step 1: Write the proportion equation
394,262.07 : 544,322.73 = 256,572.19 : x - Step 2: Convert to fraction form
394,262.07/544,322.73 = 256,572.19/x - Step 3: Cross multiply
394,262.07x = 544,322.73 × 256,572.19 - Step 4: Simplify right side
394,262.07x = 139,658,074,902.88 - Step 5: Solve for x
x = 139,658,074,902.88/394,262.07 - Step 6: Final answer
x = 354,226.50
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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.