Finding the Fourth Proportional to 193,014.84, 289,851.12 and 125,661.60
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Solution
The fourth proportional to 193,014.84, 289,851.12 and 125,661.60 is: 188,706.50
Step by Step Solution
- Step 1: Write the proportion equation
193,014.84 : 289,851.12 = 125,661.60 : x - Step 2: Convert to fraction form
193,014.84/289,851.12 = 125,661.60/x - Step 3: Cross multiply
193,014.84x = 289,851.12 × 125,661.60 - Step 4: Simplify right side
193,014.84x = 36,423,155,500.99 - Step 5: Solve for x
x = 36,423,155,500.99/193,014.84 - Step 6: Final answer
x = 188,706.50
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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.