Finding the Fourth Proportional to 100,833.36, 151,198.98 and 56,448.19
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Solution
The fourth proportional to 100,833.36, 151,198.98 and 56,448.19 is: 84,643.70
Step by Step Solution
- Step 1: Write the proportion equation
100,833.36 : 151,198.98 = 56,448.19 : x - Step 2: Convert to fraction form
100,833.36/151,198.98 = 56,448.19/x - Step 3: Cross multiply
100,833.36x = 151,198.98 × 56,448.19 - Step 4: Simplify right side
100,833.36x = 8,534,908,750.85 - Step 5: Solve for x
x = 8,534,908,750.85/100,833.36 - Step 6: Final answer
x = 84,643.70
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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.