Finding the Fourth Proportional to 193,370.99, 266,868.03 and 107,338.05
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Solution
The fourth proportional to 193,370.99, 266,868.03 and 107,338.05 is: 148,135.43
Step by Step Solution
- Step 1: Write the proportion equation
193,370.99 : 266,868.03 = 107,338.05 : x - Step 2: Convert to fraction form
193,370.99/266,868.03 = 107,338.05/x - Step 3: Cross multiply
193,370.99x = 266,868.03 × 107,338.05 - Step 4: Simplify right side
193,370.99x = 28,645,094,350.06 - Step 5: Solve for x
x = 28,645,094,350.06/193,370.99 - Step 6: Final answer
x = 148,135.43
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1.5x scale
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.