Finding the Fourth Proportional to 218,661.79, 327,992.68 and 125,101.93
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Solution
The fourth proportional to 218,661.79, 327,992.68 and 125,101.93 is: 187,652.89
Step by Step Solution
- Step 1: Write the proportion equation
218,661.79 : 327,992.68 = 125,101.93 : x - Step 2: Convert to fraction form
218,661.79/327,992.68 = 125,101.93/x - Step 3: Cross multiply
218,661.79x = 327,992.68 × 125,101.93 - Step 4: Simplify right side
218,661.79x = 41,032,516,161.14 - Step 5: Solve for x
x = 41,032,516,161.14/218,661.79 - Step 6: Final answer
x = 187,652.89
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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.