Finding the Fourth Proportional to 486,863.58, 671,859.36 and 272,005.26
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Solution
The fourth proportional to 486,863.58, 671,859.36 and 272,005.26 is: 375,360.34
Step by Step Solution
- Step 1: Write the proportion equation
486,863.58 : 671,859.36 = 272,005.26 : x - Step 2: Convert to fraction form
486,863.58/671,859.36 = 272,005.26/x - Step 3: Cross multiply
486,863.58x = 671,859.36 × 272,005.26 - Step 4: Simplify right side
486,863.58x = 182,749,277,380.76 - Step 5: Solve for x
x = 182,749,277,380.76/486,863.58 - Step 6: Final answer
x = 375,360.34
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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.