Finding the Fourth Proportional to 261,951.36, 361,492.92 and 148,773.84
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Solution
The fourth proportional to 261,951.36, 361,492.92 and 148,773.84 is: 205,307.92
Step by Step Solution
- Step 1: Write the proportion equation
261,951.36 : 361,492.92 = 148,773.84 : x - Step 2: Convert to fraction form
261,951.36/361,492.92 = 148,773.84/x - Step 3: Cross multiply
261,951.36x = 361,492.92 × 148,773.84 - Step 4: Simplify right side
261,951.36x = 53,780,689,841.21 - Step 5: Solve for x
x = 53,780,689,841.21/261,951.36 - Step 6: Final answer
x = 205,307.92
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1.5x scale
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.