Finding the Fourth Proportional to 144,491.84, 198,955.68 and 126,486.08
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Solution
The fourth proportional to 144,491.84, 198,955.68 and 126,486.08 is: 174,162.94
Step by Step Solution
- Step 1: Write the proportion equation
144,491.84 : 198,955.68 = 126,486.08 : x - Step 2: Convert to fraction form
144,491.84/198,955.68 = 126,486.08/x - Step 3: Cross multiply
144,491.84x = 198,955.68 × 126,486.08 - Step 4: Simplify right side
144,491.84x = 25,165,124,056.93 - Step 5: Solve for x
x = 25,165,124,056.93/144,491.84 - Step 6: Final answer
x = 174,162.94
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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.