Finding the Fourth Proportional to 183,644.76, 275,435.96 and 83,781.48
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Solution
The fourth proportional to 183,644.76, 275,435.96 and 83,781.48 is: 125,657.99
Step by Step Solution
- Step 1: Write the proportion equation
183,644.76 : 275,435.96 = 83,781.48 : x - Step 2: Convert to fraction form
183,644.76/275,435.96 = 83,781.48/x - Step 3: Cross multiply
183,644.76x = 275,435.96 × 83,781.48 - Step 4: Simplify right side
183,644.76x = 23,076,431,955.11 - Step 5: Solve for x
x = 23,076,431,955.11/183,644.76 - Step 6: Final answer
x = 125,657.99
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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.