Finding the Fourth Proportional to 201,262.23, 277,719.57 and 120,693.15
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Solution
The fourth proportional to 201,262.23, 277,719.57 and 120,693.15 is: 166,543.17
Step by Step Solution
- Step 1: Write the proportion equation
201,262.23 : 277,719.57 = 120,693.15 : x - Step 2: Convert to fraction form
201,262.23/277,719.57 = 120,693.15/x - Step 3: Cross multiply
201,262.23x = 277,719.57 × 120,693.15 - Step 4: Simplify right side
201,262.23x = 33,518,849,719.95 - Step 5: Solve for x
x = 33,518,849,719.95/201,262.23 - Step 6: Final answer
x = 166,543.17
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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.