Finding the Fourth Proportional to 147,490.73, 203,554.68 and 83,838.09
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Solution
The fourth proportional to 147,490.73, 203,554.68 and 83,838.09 is: 115,706.50
Step by Step Solution
- Step 1: Write the proportion equation
147,490.73 : 203,554.68 = 83,838.09 : x - Step 2: Convert to fraction form
147,490.73/203,554.68 = 83,838.09/x - Step 3: Cross multiply
147,490.73x = 203,554.68 × 83,838.09 - Step 4: Simplify right side
147,490.73x = 17,065,635,581.76 - Step 5: Solve for x
x = 17,065,635,581.76/147,490.73 - Step 6: Final answer
x = 115,706.50
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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.