Finding the Fourth Proportional to 193,043.12, 266,409.41 and 107,011.26
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Solution
The fourth proportional to 193,043.12, 266,409.41 and 107,011.26 is: 147,681.03
Step by Step Solution
- Step 1: Write the proportion equation
193,043.12 : 266,409.41 = 107,011.26 : x - Step 2: Convert to fraction form
193,043.12/266,409.41 = 107,011.26/x - Step 3: Cross multiply
193,043.12x = 266,409.41 × 107,011.26 - Step 4: Simplify right side
193,043.12x = 28,508,806,104.90 - Step 5: Solve for x
x = 28,508,806,104.90/193,043.12 - Step 6: Final answer
x = 147,681.03
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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.