Finding the Fourth Proportional to 193,110.24, 289,747.80 and 99,681.60
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Solution
The fourth proportional to 193,110.24, 289,747.80 and 99,681.60 is: 149,564.95
Step by Step Solution
- Step 1: Write the proportion equation
193,110.24 : 289,747.80 = 99,681.60 : x - Step 2: Convert to fraction form
193,110.24/289,747.80 = 99,681.60/x - Step 3: Cross multiply
193,110.24x = 289,747.80 × 99,681.60 - Step 4: Simplify right side
193,110.24x = 28,882,524,300.48 - Step 5: Solve for x
x = 28,882,524,300.48/193,110.24 - Step 6: Final answer
x = 149,564.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.