Finding the Fourth Proportional to 252,618.22, 348,615.99 and 139,440.94
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Solution
The fourth proportional to 252,618.22, 348,615.99 and 139,440.94 is: 192,430.07
Step by Step Solution
- Step 1: Write the proportion equation
252,618.22 : 348,615.99 = 139,440.94 : x - Step 2: Convert to fraction form
252,618.22/348,615.99 = 139,440.94/x - Step 3: Cross multiply
252,618.22x = 348,615.99 × 139,440.94 - Step 4: Simplify right side
252,618.22x = 48,611,341,344.63 - Step 5: Solve for x
x = 48,611,341,344.63/252,618.22 - Step 6: Final answer
x = 192,430.07
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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.