Finding the Fourth Proportional to 138,192.96, 207,319.68 and 44,708.16
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Solution
The fourth proportional to 138,192.96, 207,319.68 and 44,708.16 is: 67,072.02
Step by Step Solution
- Step 1: Write the proportion equation
138,192.96 : 207,319.68 = 44,708.16 : x - Step 2: Convert to fraction form
138,192.96/207,319.68 = 44,708.16/x - Step 3: Cross multiply
138,192.96x = 207,319.68 × 44,708.16 - Step 4: Simplify right side
138,192.96x = 9,268,881,424.59 - Step 5: Solve for x
x = 9,268,881,424.59/138,192.96 - Step 6: Final answer
x = 67,072.02
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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.