Finding the Fourth Proportional to 161,906.07, 242,712.09 and 56,667.63
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Solution
The fourth proportional to 161,906.07, 242,712.09 and 56,667.63 is: 84,949.99
Step by Step Solution
- Step 1: Write the proportion equation
161,906.07 : 242,712.09 = 56,667.63 : x - Step 2: Convert to fraction form
161,906.07/242,712.09 = 56,667.63/x - Step 3: Cross multiply
161,906.07x = 242,712.09 × 56,667.63 - Step 4: Simplify right side
161,906.07x = 13,753,918,912.65 - Step 5: Solve for x
x = 13,753,918,912.65/161,906.07 - Step 6: Final answer
x = 84,949.99
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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.