Finding the Fourth Proportional to 510,446.12, 765,447.26 and 155,376.96
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Solution
The fourth proportional to 510,446.12, 765,447.26 and 155,376.96 is: 232,997.89
Step by Step Solution
- Step 1: Write the proportion equation
510,446.12 : 765,447.26 = 155,376.96 : x - Step 2: Convert to fraction form
510,446.12/765,447.26 = 155,376.96/x - Step 3: Cross multiply
510,446.12x = 765,447.26 × 155,376.96 - Step 4: Simplify right side
510,446.12x = 118,932,868,299.13 - Step 5: Solve for x
x = 118,932,868,299.13/510,446.12 - Step 6: Final answer
x = 232,997.89
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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.