Finding the Fourth Proportional to 134,838.20, 202,257.30 and 92,847.80
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Solution
The fourth proportional to 134,838.20, 202,257.30 and 92,847.80 is: 139,271.70
Step by Step Solution
- Step 1: Write the proportion equation
134,838.20 : 202,257.30 = 92,847.80 : x - Step 2: Convert to fraction form
134,838.20/202,257.30 = 92,847.80/x - Step 3: Cross multiply
134,838.20x = 202,257.30 × 92,847.80 - Step 4: Simplify right side
134,838.20x = 18,779,145,338.94 - Step 5: Solve for x
x = 18,779,145,338.94/134,838.20 - Step 6: Final answer
x = 139,271.70
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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.