Finding the Fourth Proportional to 138,218.34, 207,325.08 and 44,724.18
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Solution
The fourth proportional to 138,218.34, 207,325.08 and 44,724.18 is: 67,085.48
Step by Step Solution
- Step 1: Write the proportion equation
138,218.34 : 207,325.08 = 44,724.18 : x - Step 2: Convert to fraction form
138,218.34/207,325.08 = 44,724.18/x - Step 3: Cross multiply
138,218.34x = 207,325.08 × 44,724.18 - Step 4: Simplify right side
138,218.34x = 9,272,444,196.43 - Step 5: Solve for x
x = 9,272,444,196.43/138,218.34 - Step 6: Final answer
x = 67,085.48
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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.