Finding the Fourth Proportional to 207,160.11, 310,785.66 and 122,997.06
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Solution
The fourth proportional to 207,160.11, 310,785.66 and 122,997.06 is: 184,522.60
Step by Step Solution
- Step 1: Write the proportion equation
207,160.11 : 310,785.66 = 122,997.06 : x - Step 2: Convert to fraction form
207,160.11/310,785.66 = 122,997.06/x - Step 3: Cross multiply
207,160.11x = 310,785.66 × 122,997.06 - Step 4: Simplify right side
207,160.11x = 38,225,722,470.16 - Step 5: Solve for x
x = 38,225,722,470.16/207,160.11 - Step 6: Final answer
x = 184,522.60
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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.