Finding the Fourth Proportional to 171,738.42, 237,116.55 and 107,305.96
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Solution
The fourth proportional to 171,738.42, 237,116.55 and 107,305.96 is: 148,155.66
Step by Step Solution
- Step 1: Write the proportion equation
171,738.42 : 237,116.55 = 107,305.96 : x - Step 2: Convert to fraction form
171,738.42/237,116.55 = 107,305.96/x - Step 3: Cross multiply
171,738.42x = 237,116.55 × 107,305.96 - Step 4: Simplify right side
171,738.42x = 25,444,019,029.64 - Step 5: Solve for x
x = 25,444,019,029.64/171,738.42 - Step 6: Final answer
x = 148,155.66
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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.