Finding the Fourth Proportional to 193,007.21, 289,116.95 and 99,316.13
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Solution
The fourth proportional to 193,007.21, 289,116.95 and 99,316.13 is: 148,771.52
Step by Step Solution
- Step 1: Write the proportion equation
193,007.21 : 289,116.95 = 99,316.13 : x - Step 2: Convert to fraction form
193,007.21/289,116.95 = 99,316.13/x - Step 3: Cross multiply
193,007.21x = 289,116.95 × 99,316.13 - Step 4: Simplify right side
193,007.21x = 28,713,974,649.24 - Step 5: Solve for x
x = 28,713,974,649.24/193,007.21 - Step 6: Final answer
x = 148,771.52
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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.