Finding the Fourth Proportional to 159,199.38, 219,515.77 and 122,818.02
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Solution
The fourth proportional to 159,199.38, 219,515.77 and 122,818.02 is: 169,350.49
Step by Step Solution
- Step 1: Write the proportion equation
159,199.38 : 219,515.77 = 122,818.02 : x - Step 2: Convert to fraction form
159,199.38/219,515.77 = 122,818.02/x - Step 3: Cross multiply
159,199.38x = 219,515.77 × 122,818.02 - Step 4: Simplify right side
159,199.38x = 26,960,492,230.18 - Step 5: Solve for x
x = 26,960,492,230.18/159,199.38 - Step 6: Final answer
x = 169,350.49
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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.