Finding the Fourth Proportional to 195,771.68, 270,276.84 and 128,898.08
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Solution
The fourth proportional to 195,771.68, 270,276.84 and 128,898.08 is: 177,953.04
Step by Step Solution
- Step 1: Write the proportion equation
195,771.68 : 270,276.84 = 128,898.08 : x - Step 2: Convert to fraction form
195,771.68/270,276.84 = 128,898.08/x - Step 3: Cross multiply
195,771.68x = 270,276.84 × 128,898.08 - Step 4: Simplify right side
195,771.68x = 34,838,165,744.47 - Step 5: Solve for x
x = 34,838,165,744.47/195,771.68 - Step 6: Final answer
x = 177,953.04
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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.