Finding the Fourth Proportional to 486,406.66, 671,239.52 and 271,544.84
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Solution
The fourth proportional to 486,406.66, 671,239.52 and 271,544.84 is: 374,730.95
Step by Step Solution
- Step 1: Write the proportion equation
486,406.66 : 671,239.52 = 271,544.84 : x - Step 2: Convert to fraction form
486,406.66/671,239.52 = 271,544.84/x - Step 3: Cross multiply
486,406.66x = 671,239.52 × 271,544.84 - Step 4: Simplify right side
486,406.66x = 182,271,628,060.08 - Step 5: Solve for x
x = 182,271,628,060.08/486,406.66 - Step 6: Final answer
x = 374,730.95
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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.