Finding the Fourth Proportional to 487,645.13, 731,756.66 and 271,684.62
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Solution
The fourth proportional to 487,645.13, 731,756.66 and 271,684.62 is: 407,687.92
Step by Step Solution
- Step 1: Write the proportion equation
487,645.13 : 731,756.66 = 271,684.62 : x - Step 2: Convert to fraction form
487,645.13/731,756.66 = 271,684.62/x - Step 3: Cross multiply
487,645.13x = 731,756.66 × 271,684.62 - Step 4: Simplify right side
487,645.13x = 198,807,026,002.06 - Step 5: Solve for x
x = 198,807,026,002.06/487,645.13 - Step 6: Final answer
x = 407,687.92
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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.