Finding the Fourth Proportional to 136,315.99, 204,515.70 and 69,803.19
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Solution
The fourth proportional to 136,315.99, 204,515.70 and 69,803.19 is: 104,726.15
Step by Step Solution
- Step 1: Write the proportion equation
136,315.99 : 204,515.70 = 69,803.19 : x - Step 2: Convert to fraction form
136,315.99/204,515.70 = 69,803.19/x - Step 3: Cross multiply
136,315.99x = 204,515.70 × 69,803.19 - Step 4: Simplify right side
136,315.99x = 14,275,848,265.08 - Step 5: Solve for x
x = 14,275,848,265.08/136,315.99 - Step 6: Final answer
x = 104,726.15
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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.