Finding the Fourth Proportional to 486,873.16, 671,872.56 and 272,014.82
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Solution
The fourth proportional to 486,873.16, 671,872.56 and 272,014.82 is: 375,373.52
Step by Step Solution
- Step 1: Write the proportion equation
486,873.16 : 671,872.56 = 272,014.82 : x - Step 2: Convert to fraction form
486,873.16/671,872.56 = 272,014.82/x - Step 3: Cross multiply
486,873.16x = 671,872.56 × 272,014.82 - Step 4: Simplify right side
486,873.16x = 182,759,291,611.44 - Step 5: Solve for x
x = 182,759,291,611.44/486,873.16 - Step 6: Final answer
x = 375,373.52
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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.