Finding the Fourth Proportional to 90,708.40, 136,060.09 and 24,149.10
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Solution
The fourth proportional to 90,708.40, 136,060.09 and 24,149.10 is: 36,222.99
Step by Step Solution
- Step 1: Write the proportion equation
90,708.40 : 136,060.09 = 24,149.10 : x - Step 2: Convert to fraction form
90,708.40/136,060.09 = 24,149.10/x - Step 3: Cross multiply
90,708.40x = 136,060.09 × 24,149.10 - Step 4: Simplify right side
90,708.40x = 3,285,729,259.83 - Step 5: Solve for x
x = 3,285,729,259.83/90,708.40 - Step 6: Final answer
x = 36,222.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.