Finding the Fourth Proportional to 192,779.82, 266,036.12 and 107,896.88
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Solution
The fourth proportional to 192,779.82, 266,036.12 and 107,896.88 is: 148,897.68
Step by Step Solution
- Step 1: Write the proportion equation
192,779.82 : 266,036.12 = 107,896.88 : x - Step 2: Convert to fraction form
192,779.82/266,036.12 = 107,896.88/x - Step 3: Cross multiply
192,779.82x = 266,036.12 × 107,896.88 - Step 4: Simplify right side
192,779.82x = 28,704,467,315.31 - Step 5: Solve for x
x = 28,704,467,315.31/192,779.82 - Step 6: Final answer
x = 148,897.68
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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.