Finding the Fourth Proportional to 147,580.70, 203,660.42 and 83,918.50
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Solution
The fourth proportional to 147,580.70, 203,660.42 and 83,918.50 is: 115,806.99
Step by Step Solution
- Step 1: Write the proportion equation
147,580.70 : 203,660.42 = 83,918.50 : x - Step 2: Convert to fraction form
147,580.70/203,660.42 = 83,918.50/x - Step 3: Cross multiply
147,580.70x = 203,660.42 × 83,918.50 - Step 4: Simplify right side
147,580.70x = 17,090,876,955.77 - Step 5: Solve for x
x = 17,090,876,955.77/147,580.70 - Step 6: Final answer
x = 115,806.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.