Finding the Fourth Proportional to 203,311.84, 280,537.68 and 127,806.88
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Solution
The fourth proportional to 203,311.84, 280,537.68 and 127,806.88 is: 176,352.96
Step by Step Solution
- Step 1: Write the proportion equation
203,311.84 : 280,537.68 = 127,806.88 : x - Step 2: Convert to fraction form
203,311.84/280,537.68 = 127,806.88/x - Step 3: Cross multiply
203,311.84x = 280,537.68 × 127,806.88 - Step 4: Simplify right side
203,311.84x = 35,854,645,603.24 - Step 5: Solve for x
x = 35,854,645,603.24/203,311.84 - Step 6: Final answer
x = 176,352.96
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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.