Finding the Fourth Proportional to 193,270.51, 266,634.56 and 129,628.81
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Solution
The fourth proportional to 193,270.51, 266,634.56 and 129,628.81 is: 178,834.94
Step by Step Solution
- Step 1: Write the proportion equation
193,270.51 : 266,634.56 = 129,628.81 : x - Step 2: Convert to fraction form
193,270.51/266,634.56 = 129,628.81/x - Step 3: Cross multiply
193,270.51x = 266,634.56 × 129,628.81 - Step 4: Simplify right side
193,270.51x = 34,563,518,736.36 - Step 5: Solve for x
x = 34,563,518,736.36/193,270.51 - Step 6: Final answer
x = 178,834.94
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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.