Finding the Fourth Proportional to 136,350.20, 204,618.68 and 47,603.68
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Solution
The fourth proportional to 136,350.20, 204,618.68 and 47,603.68 is: 71,438.12
Step by Step Solution
- Step 1: Write the proportion equation
136,350.20 : 204,618.68 = 47,603.68 : x - Step 2: Convert to fraction form
136,350.20/204,618.68 = 47,603.68/x - Step 3: Cross multiply
136,350.20x = 204,618.68 × 47,603.68 - Step 4: Simplify right side
136,350.20x = 9,740,602,164.74 - Step 5: Solve for x
x = 9,740,602,164.74/136,350.20 - Step 6: Final answer
x = 71,438.12
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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.