Finding the Fourth Proportional to 189,056.74, 260,910.95 and 104,173.80
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Solution
The fourth proportional to 189,056.74, 260,910.95 and 104,173.80 is: 143,766.82
Step by Step Solution
- Step 1: Write the proportion equation
189,056.74 : 260,910.95 = 104,173.80 : x - Step 2: Convert to fraction form
189,056.74/260,910.95 = 104,173.80/x - Step 3: Cross multiply
189,056.74x = 260,910.95 × 104,173.80 - Step 4: Simplify right side
189,056.74x = 27,180,086,118.25 - Step 5: Solve for x
x = 27,180,086,118.25/189,056.74 - Step 6: Final answer
x = 143,766.82
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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.