Finding the Fourth Proportional to 138,425.08, 207,603.06 and 44,957.56
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Solution
The fourth proportional to 138,425.08, 207,603.06 and 44,957.56 is: 67,425.12
Step by Step Solution
- Step 1: Write the proportion equation
138,425.08 : 207,603.06 = 44,957.56 : x - Step 2: Convert to fraction form
138,425.08/207,603.06 = 44,957.56/x - Step 3: Cross multiply
138,425.08x = 207,603.06 × 44,957.56 - Step 4: Simplify right side
138,425.08x = 9,333,327,026.13 - Step 5: Solve for x
x = 9,333,327,026.13/138,425.08 - Step 6: Final answer
x = 67,425.12
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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.