Finding the Fourth Proportional to 189,328.84, 261,269.58 and 104,445.88
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Solution
The fourth proportional to 189,328.84, 261,269.58 and 104,445.88 is: 144,132.99
Step by Step Solution
- Step 1: Write the proportion equation
189,328.84 : 261,269.58 = 104,445.88 : x - Step 2: Convert to fraction form
189,328.84/261,269.58 = 104,445.88/x - Step 3: Cross multiply
189,328.84x = 261,269.58 × 104,445.88 - Step 4: Simplify right side
189,328.84x = 27,288,531,200.33 - Step 5: Solve for x
x = 27,288,531,200.33/189,328.84 - Step 6: Final answer
x = 144,132.99
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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.