Finding the Fourth Proportional to 136,285.24, 204,453.84 and 47,564.08
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Solution
The fourth proportional to 136,285.24, 204,453.84 and 47,564.08 is: 71,355.19
Step by Step Solution
- Step 1: Write the proportion equation
136,285.24 : 204,453.84 = 47,564.08 : x - Step 2: Convert to fraction form
136,285.24/204,453.84 = 47,564.08/x - Step 3: Cross multiply
136,285.24x = 204,453.84 × 47,564.08 - Step 4: Simplify right side
136,285.24x = 9,724,658,802.07 - Step 5: Solve for x
x = 9,724,658,802.07/136,285.24 - Step 6: Final answer
x = 71,355.19
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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.