Finding the Fourth Proportional to 146,667.62, 202,402.88 and 90,078.99
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Solution
The fourth proportional to 146,667.62, 202,402.88 and 90,078.99 is: 124,309.97
Step by Step Solution
- Step 1: Write the proportion equation
146,667.62 : 202,402.88 = 90,078.99 : x - Step 2: Convert to fraction form
146,667.62/202,402.88 = 90,078.99/x - Step 3: Cross multiply
146,667.62x = 202,402.88 × 90,078.99 - Step 4: Simplify right side
146,667.62x = 18,232,246,553.10 - Step 5: Solve for x
x = 18,232,246,553.10/146,667.62 - Step 6: Final answer
x = 124,309.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.