Finding the Fourth Proportional to 257,975.24, 387,112.26 and 108,202.20
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Solution
The fourth proportional to 257,975.24, 387,112.26 and 108,202.20 is: 162,365.96
Step by Step Solution
- Step 1: Write the proportion equation
257,975.24 : 387,112.26 = 108,202.20 : x - Step 2: Convert to fraction form
257,975.24/387,112.26 = 108,202.20/x - Step 3: Cross multiply
257,975.24x = 387,112.26 × 108,202.20 - Step 4: Simplify right side
257,975.24x = 41,886,398,178.97 - Step 5: Solve for x
x = 41,886,398,178.97/257,975.24 - Step 6: Final answer
x = 162,365.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.