Finding the Fourth Proportional to 316,512.84, 436,793.14 and 195,651.02
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Solution
The fourth proportional to 316,512.84, 436,793.14 and 195,651.02 is: 270,001.76
Step by Step Solution
- Step 1: Write the proportion equation
316,512.84 : 436,793.14 = 195,651.02 : x - Step 2: Convert to fraction form
316,512.84/436,793.14 = 195,651.02/x - Step 3: Cross multiply
316,512.84x = 436,793.14 × 195,651.02 - Step 4: Simplify right side
316,512.84x = 85,459,023,370.00 - Step 5: Solve for x
x = 85,459,023,370.00/316,512.84 - Step 6: Final answer
x = 270,001.76
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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.