Finding the Fourth Proportional to 486,011.25, 670,714.97 and 271,170.09
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Solution
The fourth proportional to 486,011.25, 670,714.97 and 271,170.09 is: 374,225.57
Step by Step Solution
- Step 1: Write the proportion equation
486,011.25 : 670,714.97 = 271,170.09 : x - Step 2: Convert to fraction form
486,011.25/670,714.97 = 271,170.09/x - Step 3: Cross multiply
486,011.25x = 670,714.97 × 271,170.09 - Step 4: Simplify right side
486,011.25x = 181,877,838,779.25 - Step 5: Solve for x
x = 181,877,838,779.25/486,011.25 - Step 6: Final answer
x = 374,225.57
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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.