Finding the Fourth Proportional to 138,467.30, 207,684.48 and 44,972.96
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Solution
The fourth proportional to 138,467.30, 207,684.48 and 44,972.96 is: 67,454.09
Step by Step Solution
- Step 1: Write the proportion equation
138,467.30 : 207,684.48 = 44,972.96 : x - Step 2: Convert to fraction form
138,467.30/207,684.48 = 44,972.96/x - Step 3: Cross multiply
138,467.30x = 207,684.48 × 44,972.96 - Step 4: Simplify right side
138,467.30x = 9,340,185,811.66 - Step 5: Solve for x
x = 9,340,185,811.66/138,467.30 - Step 6: Final answer
x = 67,454.09
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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.