Finding the Fourth Proportional to 134,865.60, 202,249.80 and 68,283.60
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Solution
The fourth proportional to 134,865.60, 202,249.80 and 68,283.60 is: 102,400.79
Step by Step Solution
- Step 1: Write the proportion equation
134,865.60 : 202,249.80 = 68,283.60 : x - Step 2: Convert to fraction form
134,865.60/202,249.80 = 68,283.60/x - Step 3: Cross multiply
134,865.60x = 202,249.80 × 68,283.60 - Step 4: Simplify right side
134,865.60x = 13,810,344,443.28 - Step 5: Solve for x
x = 13,810,344,443.28/134,865.60 - Step 6: Final answer
x = 102,400.79
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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.