Finding the Fourth Proportional to 134,845.20, 202,267.80 and 92,854.80
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Solution
The fourth proportional to 134,845.20, 202,267.80 and 92,854.80 is: 139,282.20
Step by Step Solution
- Step 1: Write the proportion equation
134,845.20 : 202,267.80 = 92,854.80 : x - Step 2: Convert to fraction form
134,845.20/202,267.80 = 92,854.80/x - Step 3: Cross multiply
134,845.20x = 202,267.80 × 92,854.80 - Step 4: Simplify right side
134,845.20x = 18,781,536,115.44 - Step 5: Solve for x
x = 18,781,536,115.44/134,845.20 - Step 6: Final answer
x = 139,282.20
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1.5x scale
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.