Finding the Fourth Proportional to 193,418.70, 266,904.42 and 107,370.96
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Solution
The fourth proportional to 193,418.70, 266,904.42 and 107,370.96 is: 148,164.49
Step by Step Solution
- Step 1: Write the proportion equation
193,418.70 : 266,904.42 = 107,370.96 : x - Step 2: Convert to fraction form
193,418.70/266,904.42 = 107,370.96/x - Step 3: Cross multiply
193,418.70x = 266,904.42 × 107,370.96 - Step 4: Simplify right side
193,418.70x = 28,657,783,803.64 - Step 5: Solve for x
x = 28,657,783,803.64/193,418.70 - Step 6: Final answer
x = 148,164.49
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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.