Finding the Fourth Proportional to 256,498.49, 354,194.88 and 159,867.26
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Solution
The fourth proportional to 256,498.49, 354,194.88 and 159,867.26 is: 220,758.28
Step by Step Solution
- Step 1: Write the proportion equation
256,498.49 : 354,194.88 = 159,867.26 : x - Step 2: Convert to fraction form
256,498.49/354,194.88 = 159,867.26/x - Step 3: Cross multiply
256,498.49x = 354,194.88 × 159,867.26 - Step 4: Simplify right side
256,498.49x = 56,624,164,971.63 - Step 5: Solve for x
x = 56,624,164,971.63/256,498.49 - Step 6: Final answer
x = 220,758.28
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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.