Finding the Fourth Proportional to 147,469.73, 203,525.54 and 83,817.09
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Solution
The fourth proportional to 147,469.73, 203,525.54 and 83,817.09 is: 115,677.43
Step by Step Solution
- Step 1: Write the proportion equation
147,469.73 : 203,525.54 = 83,817.09 : x - Step 2: Convert to fraction form
147,469.73/203,525.54 = 83,817.09/x - Step 3: Cross multiply
147,469.73x = 203,525.54 × 83,817.09 - Step 4: Simplify right side
147,469.73x = 17,058,918,593.21 - Step 5: Solve for x
x = 17,058,918,593.21/147,469.73 - Step 6: Final answer
x = 115,677.43
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1.5x scale
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.