Finding the Fourth Proportional to 135,318.40, 202,977.60 and 41,852.80
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Solution
The fourth proportional to 135,318.40, 202,977.60 and 41,852.80 is: 62,779.20
Step by Step Solution
- Step 1: Write the proportion equation
135,318.40 : 202,977.60 = 41,852.80 : x - Step 2: Convert to fraction form
135,318.40/202,977.60 = 41,852.80/x - Step 3: Cross multiply
135,318.40x = 202,977.60 × 41,852.80 - Step 4: Simplify right side
135,318.40x = 8,495,180,897.28 - Step 5: Solve for x
x = 8,495,180,897.28/135,318.40 - Step 6: Final answer
x = 62,779.20
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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.