Finding the Fourth Proportional to 136,717.01, 205,122.70 and 56,797.91
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Solution
The fourth proportional to 136,717.01, 205,122.70 and 56,797.91 is: 85,216.46
Step by Step Solution
- Step 1: Write the proportion equation
136,717.01 : 205,122.70 = 56,797.91 : x - Step 2: Convert to fraction form
136,717.01/205,122.70 = 56,797.91/x - Step 3: Cross multiply
136,717.01x = 205,122.70 × 56,797.91 - Step 4: Simplify right side
136,717.01x = 11,650,539,698.94 - Step 5: Solve for x
x = 11,650,539,698.94/136,717.01 - Step 6: Final answer
x = 85,216.46
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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.