Finding the Fourth Proportional to 487,922.68, 731,734.62 and 172,305.64
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Solution
The fourth proportional to 487,922.68, 731,734.62 and 172,305.64 is: 258,405.70
Step by Step Solution
- Step 1: Write the proportion equation
487,922.68 : 731,734.62 = 172,305.64 : x - Step 2: Convert to fraction form
487,922.68/731,734.62 = 172,305.64/x - Step 3: Cross multiply
487,922.68x = 731,734.62 × 172,305.64 - Step 4: Simplify right side
487,922.68x = 126,082,002,009.26 - Step 5: Solve for x
x = 126,082,002,009.26/487,922.68 - Step 6: Final answer
x = 258,405.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.