Finding the Fourth Proportional to 434,161.12, 651,464.06 and 206,714.14
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Solution
The fourth proportional to 434,161.12, 651,464.06 and 206,714.14 is: 310,177.09
Step by Step Solution
- Step 1: Write the proportion equation
434,161.12 : 651,464.06 = 206,714.14 : x - Step 2: Convert to fraction form
434,161.12/651,464.06 = 206,714.14/x - Step 3: Cross multiply
434,161.12x = 651,464.06 × 206,714.14 - Step 4: Simplify right side
434,161.12x = 134,666,832,903.81 - Step 5: Solve for x
x = 134,666,832,903.81/434,161.12 - Step 6: Final answer
x = 310,177.09
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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.