Finding the Fourth Proportional to 256,881.08, 354,261.74 and 220,571.19
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Solution
The fourth proportional to 256,881.08, 354,261.74 and 220,571.19 is: 304,187.19
Step by Step Solution
- Step 1: Write the proportion equation
256,881.08 : 354,261.74 = 220,571.19 : x - Step 2: Convert to fraction form
256,881.08/354,261.74 = 220,571.19/x - Step 3: Cross multiply
256,881.08x = 354,261.74 × 220,571.19 - Step 4: Simplify right side
256,881.08x = 78,139,932,460.41 - Step 5: Solve for x
x = 78,139,932,460.41/256,881.08 - Step 6: Final answer
x = 304,187.19
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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.