Finding the Fourth Proportional to 147,489.73, 203,553.30 and 83,837.09
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Solution
The fourth proportional to 147,489.73, 203,553.30 and 83,837.09 is: 115,705.12
Step by Step Solution
- Step 1: Write the proportion equation
147,489.73 : 203,553.30 = 83,837.09 : x - Step 2: Convert to fraction form
147,489.73/203,553.30 = 83,837.09/x - Step 3: Cross multiply
147,489.73x = 203,553.30 × 83,837.09 - Step 4: Simplify right side
147,489.73x = 17,065,317,155.17 - Step 5: Solve for x
x = 17,065,317,155.17/147,489.73 - Step 6: Final answer
x = 115,705.12
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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.