Finding the Fourth Proportional to 246,917.19, 370,337.85 and 78,415.67
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Solution
The fourth proportional to 246,917.19, 370,337.85 and 78,415.67 is: 117,611.45
Step by Step Solution
- Step 1: Write the proportion equation
246,917.19 : 370,337.85 = 78,415.67 : x - Step 2: Convert to fraction form
246,917.19/370,337.85 = 78,415.67/x - Step 3: Cross multiply
246,917.19x = 370,337.85 × 78,415.67 - Step 4: Simplify right side
246,917.19x = 29,040,288,782.42 - Step 5: Solve for x
x = 29,040,288,782.42/246,917.19 - Step 6: Final answer
x = 117,611.45
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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.