Finding the Fourth Proportional to 202,239.13, 279,089.68 and 111,595.03
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Solution
The fourth proportional to 202,239.13, 279,089.68 and 111,595.03 is: 154,000.97
Step by Step Solution
- Step 1: Write the proportion equation
202,239.13 : 279,089.68 = 111,595.03 : x - Step 2: Convert to fraction form
202,239.13/279,089.68 = 111,595.03/x - Step 3: Cross multiply
202,239.13x = 279,089.68 × 111,595.03 - Step 4: Simplify right side
202,239.13x = 31,145,021,212.29 - Step 5: Solve for x
x = 31,145,021,212.29/202,239.13 - Step 6: Final answer
x = 154,000.97
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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.