Finding the Fourth Proportional to 193,203.06, 266,635.70 and 107,170.52
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Solution
The fourth proportional to 193,203.06, 266,635.70 and 107,170.52 is: 147,903.90
Step by Step Solution
- Step 1: Write the proportion equation
193,203.06 : 266,635.70 = 107,170.52 : x - Step 2: Convert to fraction form
193,203.06/266,635.70 = 107,170.52/x - Step 3: Cross multiply
193,203.06x = 266,635.70 × 107,170.52 - Step 4: Simplify right side
193,203.06x = 28,575,486,619.56 - Step 5: Solve for x
x = 28,575,486,619.56/193,203.06 - Step 6: Final answer
x = 147,903.90
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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.