Finding the Fourth Proportional to 193,021.38, 266,407.38 and 116,553.06
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Solution
The fourth proportional to 193,021.38, 266,407.38 and 116,553.06 is: 160,866.09
Step by Step Solution
- Step 1: Write the proportion equation
193,021.38 : 266,407.38 = 116,553.06 : x - Step 2: Convert to fraction form
193,021.38/266,407.38 = 116,553.06/x - Step 3: Cross multiply
193,021.38x = 266,407.38 × 116,553.06 - Step 4: Simplify right side
193,021.38x = 31,050,595,345.58 - Step 5: Solve for x
x = 31,050,595,345.58/193,021.38 - Step 6: Final answer
x = 160,866.09
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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.