Finding the Fourth Proportional to 228,117.60, 342,759.60 and 202,456.80
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Solution
The fourth proportional to 228,117.60, 342,759.60 and 202,456.80 is: 304,202.80
Step by Step Solution
- Step 1: Write the proportion equation
228,117.60 : 342,759.60 = 202,456.80 : x - Step 2: Convert to fraction form
228,117.60/342,759.60 = 202,456.80/x - Step 3: Cross multiply
228,117.60x = 342,759.60 × 202,456.80 - Step 4: Simplify right side
228,117.60x = 69,394,011,785.28 - Step 5: Solve for x
x = 69,394,011,785.28/228,117.60 - Step 6: Final answer
x = 304,202.80
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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.