Finding the Fourth Proportional to 138,403.56, 207,634.52 and 44,902.08
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Solution
The fourth proportional to 138,403.56, 207,634.52 and 44,902.08 is: 67,362.59
Step by Step Solution
- Step 1: Write the proportion equation
138,403.56 : 207,634.52 = 44,902.08 : x - Step 2: Convert to fraction form
138,403.56/207,634.52 = 44,902.08/x - Step 3: Cross multiply
138,403.56x = 207,634.52 × 44,902.08 - Step 4: Simplify right side
138,403.56x = 9,323,221,827.80 - Step 5: Solve for x
x = 9,323,221,827.80/138,403.56 - Step 6: Final answer
x = 67,362.59
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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.