Finding the Fourth Proportional to 193,455.84, 266,950.80 and 108,556.32
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Solution
The fourth proportional to 193,455.84, 266,950.80 and 108,556.32 is: 149,797.48
Step by Step Solution
- Step 1: Write the proportion equation
193,455.84 : 266,950.80 = 108,556.32 : x - Step 2: Convert to fraction form
193,455.84/266,950.80 = 108,556.32/x - Step 3: Cross multiply
193,455.84x = 266,950.80 × 108,556.32 - Step 4: Simplify right side
193,455.84x = 28,979,196,469.06 - Step 5: Solve for x
x = 28,979,196,469.06/193,455.84 - Step 6: Final answer
x = 149,797.48
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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.