Finding the Fourth Proportional to 193,438.58, 266,939.25 and 107,395.70
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Solution
The fourth proportional to 193,438.58, 266,939.25 and 107,395.70 is: 148,202.74
Step by Step Solution
- Step 1: Write the proportion equation
193,438.58 : 266,939.25 = 107,395.70 : x - Step 2: Convert to fraction form
193,438.58/266,939.25 = 107,395.70/x - Step 3: Cross multiply
193,438.58x = 266,939.25 × 107,395.70 - Step 4: Simplify right side
193,438.58x = 28,668,127,611.23 - Step 5: Solve for x
x = 28,668,127,611.23/193,438.58 - Step 6: Final answer
x = 148,202.74
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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.