Finding the Fourth Proportional to 253,023.51, 379,522.31 and 75,531.99
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Solution
The fourth proportional to 253,023.51, 379,522.31 and 75,531.99 is: 113,294.12
Step by Step Solution
- Step 1: Write the proportion equation
253,023.51 : 379,522.31 = 75,531.99 : x - Step 2: Convert to fraction form
253,023.51/379,522.31 = 75,531.99/x - Step 3: Cross multiply
253,023.51x = 379,522.31 × 75,531.99 - Step 4: Simplify right side
253,023.51x = 28,666,074,946.04 - Step 5: Solve for x
x = 28,666,074,946.04/253,023.51 - Step 6: Final answer
x = 113,294.12
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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.