Finding the Fourth Proportional to 193,219.56, 266,617.62 and 107,177.58
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Solution
The fourth proportional to 193,219.56, 266,617.62 and 107,177.58 is: 147,890.99
Step by Step Solution
- Step 1: Write the proportion equation
193,219.56 : 266,617.62 = 107,177.58 : x - Step 2: Convert to fraction form
193,219.56/266,617.62 = 107,177.58/x - Step 3: Cross multiply
193,219.56x = 266,617.62 × 107,177.58 - Step 4: Simplify right side
193,219.56x = 28,575,431,296.96 - Step 5: Solve for x
x = 28,575,431,296.96/193,219.56 - Step 6: Final answer
x = 147,890.99
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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.