Finding the Fourth Proportional to 273,291.08, 409,985.82 and 131,015.79
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Solution
The fourth proportional to 273,291.08, 409,985.82 and 131,015.79 is: 196,547.28
Step by Step Solution
- Step 1: Write the proportion equation
273,291.08 : 409,985.82 = 131,015.79 : x - Step 2: Convert to fraction form
273,291.08/409,985.82 = 131,015.79/x - Step 3: Cross multiply
273,291.08x = 409,985.82 × 131,015.79 - Step 4: Simplify right side
273,291.08x = 53,714,616,096.10 - Step 5: Solve for x
x = 53,714,616,096.10/273,291.08 - Step 6: Final answer
x = 196,547.28
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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.