Finding the Fourth Proportional to 193,326.07, 266,783.01 and 107,288.82
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Solution
The fourth proportional to 193,326.07, 266,783.01 and 107,288.82 is: 148,054.71
Step by Step Solution
- Step 1: Write the proportion equation
193,326.07 : 266,783.01 = 107,288.82 : x - Step 2: Convert to fraction form
193,326.07/266,783.01 = 107,288.82/x - Step 3: Cross multiply
193,326.07x = 266,783.01 × 107,288.82 - Step 4: Simplify right side
193,326.07x = 28,622,834,338.95 - Step 5: Solve for x
x = 28,622,834,338.95/193,326.07 - Step 6: Final answer
x = 148,054.71
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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.