Finding the Fourth Proportional to 275,201.80, 412,802.70 and 117,737.80
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Solution
The fourth proportional to 275,201.80, 412,802.70 and 117,737.80 is: 176,606.70
Step by Step Solution
- Step 1: Write the proportion equation
275,201.80 : 412,802.70 = 117,737.80 : x - Step 2: Convert to fraction form
275,201.80/412,802.70 = 117,737.80/x - Step 3: Cross multiply
275,201.80x = 412,802.70 × 117,737.80 - Step 4: Simplify right side
275,201.80x = 48,602,481,732.06 - Step 5: Solve for x
x = 48,602,481,732.06/275,201.80 - Step 6: Final answer
x = 176,606.70
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1.5x scale
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.