Finding the Fourth Proportional to 195,853.91, 270,258.04 and 115,276.63
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Solution
The fourth proportional to 195,853.91, 270,258.04 and 115,276.63 is: 159,069.77
Step by Step Solution
- Step 1: Write the proportion equation
195,853.91 : 270,258.04 = 115,276.63 : x - Step 2: Convert to fraction form
195,853.91/270,258.04 = 115,276.63/x - Step 3: Cross multiply
195,853.91x = 270,258.04 × 115,276.63 - Step 4: Simplify right side
195,853.91x = 31,154,436,081.61 - Step 5: Solve for x
x = 31,154,436,081.61/195,853.91 - Step 6: Final answer
x = 159,069.77
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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.